Home / 145,732,167.24-218,566,019.16-42,078,881.76

Finding the Fourth Proportional to 145,732,167.24, 218,566,019.16 and 42,078,881.76

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Solution

The fourth proportional to 145,732,167.24, 218,566,019.16 and 42,078,881.76 is: 63,109,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,732,167.24 : 218,566,019.16 = 42,078,881.76 : x
  2. Step 2: Convert to fraction form
    145,732,167.24/218,566,019.16 = 42,078,881.76/x
  3. Step 3: Cross multiply
    145,732,167.24x = 218,566,019.16 × 42,078,881.76
  4. Step 4: Simplify right side
    145,732,167.24x = 9,197,013,676,987,534
  5. Step 5: Solve for x
    x = 9,197,013,676,987,534/145,732,167.24
  6. Step 6: Final answer
    x = 63,109,016.02

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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.