Home / 149,051,397.96-223,778,711-102,878,469.80

Finding the Fourth Proportional to 149,051,397.96, 223,778,711 and 102,878,469.80

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Solution

The fourth proportional to 149,051,397.96, 223,778,711 and 102,878,469.80 is: 154,456,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,051,397.96 : 223,778,711 = 102,878,469.80 : x
  2. Step 2: Convert to fraction form
    149,051,397.96/223,778,711 = 102,878,469.80/x
  3. Step 3: Cross multiply
    149,051,397.96x = 223,778,711 × 102,878,469.80
  4. Step 4: Simplify right side
    149,051,397.96x = 23,022,011,361,496,428
  5. Step 5: Solve for x
    x = 23,022,011,361,496,428/149,051,397.96
  6. Step 6: Final answer
    x = 154,456,863.05

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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.