Home / 207,034,665.60-310,551,998.40-99,273,820.80

Finding the Fourth Proportional to 207,034,665.60, 310,551,998.40 and 99,273,820.80

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Solution

The fourth proportional to 207,034,665.60, 310,551,998.40 and 99,273,820.80 is: 148,910,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,034,665.60 : 310,551,998.40 = 99,273,820.80 : x
  2. Step 2: Convert to fraction form
    207,034,665.60/310,551,998.40 = 99,273,820.80/x
  3. Step 3: Cross multiply
    207,034,665.60x = 310,551,998.40 × 99,273,820.80
  4. Step 4: Simplify right side
    207,034,665.60x = 30,829,683,438,243,484
  5. Step 5: Solve for x
    x = 30,829,683,438,243,484/207,034,665.60
  6. Step 6: Final answer
    x = 148,910,731.20

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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.