Home / 107,302,514.90-160,953,772.35-85,383,526.10

Finding the Fourth Proportional to 107,302,514.90, 160,953,772.35 and 85,383,526.10

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Solution

The fourth proportional to 107,302,514.90, 160,953,772.35 and 85,383,526.10 is: 128,075,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,302,514.90 : 160,953,772.35 = 85,383,526.10 : x
  2. Step 2: Convert to fraction form
    107,302,514.90/160,953,772.35 = 85,383,526.10/x
  3. Step 3: Cross multiply
    107,302,514.90x = 160,953,772.35 × 85,383,526.10
  4. Step 4: Simplify right side
    107,302,514.90x = 13,742,800,622,339,682
  5. Step 5: Solve for x
    x = 13,742,800,622,339,682/107,302,514.90
  6. Step 6: Final answer
    x = 128,075,289.15

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.