Home / 91,083,359.52-136,406,115.11-52,103,638.40

Finding the Fourth Proportional to 91,083,359.52, 136,406,115.11 and 52,103,638.40

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Solution

The fourth proportional to 91,083,359.52, 136,406,115.11 and 52,103,638.40 is: 78,030,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,083,359.52 : 136,406,115.11 = 52,103,638.40 : x
  2. Step 2: Convert to fraction form
    91,083,359.52/136,406,115.11 = 52,103,638.40/x
  3. Step 3: Cross multiply
    91,083,359.52x = 136,406,115.11 × 52,103,638.40
  4. Step 4: Simplify right side
    91,083,359.52x = 7,107,254,896,688,446
  5. Step 5: Solve for x
    x = 7,107,254,896,688,446/91,083,359.52
  6. Step 6: Final answer
    x = 78,030,223.46

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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.