Home / 249,686,490.30-374,436,833.85-85,878,267.90

Finding the Fourth Proportional to 249,686,490.30, 374,436,833.85 and 85,878,267.90

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Solution

The fourth proportional to 249,686,490.30, 374,436,833.85 and 85,878,267.90 is: 128,785,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,686,490.30 : 374,436,833.85 = 85,878,267.90 : x
  2. Step 2: Convert to fraction form
    249,686,490.30/374,436,833.85 = 85,878,267.90/x
  3. Step 3: Cross multiply
    249,686,490.30x = 374,436,833.85 × 85,878,267.90
  4. Step 4: Simplify right side
    249,686,490.30x = 32,155,986,728,998,092
  5. Step 5: Solve for x
    x = 32,155,986,728,998,092/249,686,490.30
  6. Step 6: Final answer
    x = 128,785,448.87

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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.