Home / 252,655,246.80-378,982,870.20-88,918,274.70

Finding the Fourth Proportional to 252,655,246.80, 378,982,870.20 and 88,918,274.70

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Solution

The fourth proportional to 252,655,246.80, 378,982,870.20 and 88,918,274.70 is: 133,377,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,655,246.80 : 378,982,870.20 = 88,918,274.70 : x
  2. Step 2: Convert to fraction form
    252,655,246.80/378,982,870.20 = 88,918,274.70/x
  3. Step 3: Cross multiply
    252,655,246.80x = 378,982,870.20 × 88,918,274.70
  4. Step 4: Simplify right side
    252,655,246.80x = 33,698,502,959,038,044
  5. Step 5: Solve for x
    x = 33,698,502,959,038,044/252,655,246.80
  6. Step 6: Final answer
    x = 133,377,412.05

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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.