Home / 162,513,355.92-243,713,346.80-71,587,343.76

Finding the Fourth Proportional to 162,513,355.92, 243,713,346.80 and 71,587,343.76

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Solution

The fourth proportional to 162,513,355.92, 243,713,346.80 and 71,587,343.76 is: 107,356,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,513,355.92 : 243,713,346.80 = 71,587,343.76 : x
  2. Step 2: Convert to fraction form
    162,513,355.92/243,713,346.80 = 71,587,343.76/x
  3. Step 3: Cross multiply
    162,513,355.92x = 243,713,346.80 × 71,587,343.76
  4. Step 4: Simplify right side
    162,513,355.92x = 17,446,791,136,271,698
  5. Step 5: Solve for x
    x = 17,446,791,136,271,698/162,513,355.92
  6. Step 6: Final answer
    x = 107,356,044.91

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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.