Home / 134,870,868.90-202,306,303.35-100,858,644.90

Finding the Fourth Proportional to 134,870,868.90, 202,306,303.35 and 100,858,644.90

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Solution

The fourth proportional to 134,870,868.90, 202,306,303.35 and 100,858,644.90 is: 151,287,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,870,868.90 : 202,306,303.35 = 100,858,644.90 : x
  2. Step 2: Convert to fraction form
    134,870,868.90/202,306,303.35 = 100,858,644.90/x
  3. Step 3: Cross multiply
    134,870,868.90x = 202,306,303.35 × 100,858,644.90
  4. Step 4: Simplify right side
    134,870,868.90x = 20,404,339,610,609,332
  5. Step 5: Solve for x
    x = 20,404,339,610,609,332/134,870,868.90
  6. Step 6: Final answer
    x = 151,287,967.35

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Similar ratio
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1.5x scale

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.