Home / 131,061,073.50-180,864,359.19-73,114,321.50

Finding the Fourth Proportional to 131,061,073.50, 180,864,359.19 and 73,114,321.50

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Solution

The fourth proportional to 131,061,073.50, 180,864,359.19 and 73,114,321.50 is: 100,897,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,061,073.50 : 180,864,359.19 = 73,114,321.50 : x
  2. Step 2: Convert to fraction form
    131,061,073.50/180,864,359.19 = 73,114,321.50/x
  3. Step 3: Cross multiply
    131,061,073.50x = 180,864,359.19 × 73,114,321.50
  4. Step 4: Simplify right side
    131,061,073.50x = 13,223,774,905,709,140
  5. Step 5: Solve for x
    x = 13,223,774,905,709,140/131,061,073.50
  6. Step 6: Final answer
    x = 100,897,807.05

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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.