Home / 99,670,663.80-149,478,002.10-31,534,241.40

Finding the Fourth Proportional to 99,670,663.80, 149,478,002.10 and 31,534,241.40

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Solution

The fourth proportional to 99,670,663.80, 149,478,002.10 and 31,534,241.40 is: 47,292,505.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,670,663.80 : 149,478,002.10 = 31,534,241.40 : x
  2. Step 2: Convert to fraction form
    99,670,663.80/149,478,002.10 = 31,534,241.40/x
  3. Step 3: Cross multiply
    99,670,663.80x = 149,478,002.10 × 31,534,241.40
  4. Step 4: Simplify right side
    99,670,663.80x = 4,713,675,402,211,107
  5. Step 5: Solve for x
    x = 4,713,675,402,211,107/99,670,663.80
  6. Step 6: Final answer
    x = 47,292,505.36

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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.