Home / 103,306,366.04-142,572,854.85-77,155,483.03

Finding the Fourth Proportional to 103,306,366.04, 142,572,854.85 and 77,155,483.03

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Solution

The fourth proportional to 103,306,366.04, 142,572,854.85 and 77,155,483.03 is: 106,482,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,306,366.04 : 142,572,854.85 = 77,155,483.03 : x
  2. Step 2: Convert to fraction form
    103,306,366.04/142,572,854.85 = 77,155,483.03/x
  3. Step 3: Cross multiply
    103,306,366.04x = 142,572,854.85 × 77,155,483.03
  4. Step 4: Simplify right side
    103,306,366.04x = 11,000,277,482,706,450
  5. Step 5: Solve for x
    x = 11,000,277,482,706,450/103,306,366.04
  6. Step 6: Final answer
    x = 106,482,087.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.