Home / 85,403,767.90-127,931,469.45-52,956,075.10

Finding the Fourth Proportional to 85,403,767.90, 127,931,469.45 and 52,956,075.10

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Solution

The fourth proportional to 85,403,767.90, 127,931,469.45 and 52,956,075.10 is: 79,326,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,403,767.90 : 127,931,469.45 = 52,956,075.10 : x
  2. Step 2: Convert to fraction form
    85,403,767.90/127,931,469.45 = 52,956,075.10/x
  3. Step 3: Cross multiply
    85,403,767.90x = 127,931,469.45 × 52,956,075.10
  4. Step 4: Simplify right side
    85,403,767.90x = 6,774,748,503,847,556
  5. Step 5: Solve for x
    x = 6,774,748,503,847,556/85,403,767.90
  6. Step 6: Final answer
    x = 79,326,107.86

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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.