Home / 73,584,155.80-110,376,233.70-72,072,501.40

Finding the Fourth Proportional to 73,584,155.80, 110,376,233.70 and 72,072,501.40

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Solution

The fourth proportional to 73,584,155.80, 110,376,233.70 and 72,072,501.40 is: 108,108,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,584,155.80 : 110,376,233.70 = 72,072,501.40 : x
  2. Step 2: Convert to fraction form
    73,584,155.80/110,376,233.70 = 72,072,501.40/x
  3. Step 3: Cross multiply
    73,584,155.80x = 110,376,233.70 × 72,072,501.40
  4. Step 4: Simplify right side
    73,584,155.80x = 7,955,091,257,869,978
  5. Step 5: Solve for x
    x = 7,955,091,257,869,978/73,584,155.80
  6. Step 6: Final answer
    x = 108,108,752.10

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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.