Home / 47,174,117.77-70,758,515.10-20,905,387.93

Finding the Fourth Proportional to 47,174,117.77, 70,758,515.10 and 20,905,387.93

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Solution

The fourth proportional to 47,174,117.77, 70,758,515.10 and 20,905,387.93 is: 31,356,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174,117.77 : 70,758,515.10 = 20,905,387.93 : x
  2. Step 2: Convert to fraction form
    47,174,117.77/70,758,515.10 = 20,905,387.93/x
  3. Step 3: Cross multiply
    47,174,117.77x = 70,758,515.10 × 20,905,387.93
  4. Step 4: Simplify right side
    47,174,117.77x = 1,479,234,207,411,735.75
  5. Step 5: Solve for x
    x = 1,479,234,207,411,735.75/47,174,117.77
  6. Step 6: Final answer
    x = 31,356,902.41

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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.