Home / 257,950,476.30-386,914,906.45-83,069,639.32

Finding the Fourth Proportional to 257,950,476.30, 386,914,906.45 and 83,069,639.32

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Solution

The fourth proportional to 257,950,476.30, 386,914,906.45 and 83,069,639.32 is: 124,600,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,950,476.30 : 386,914,906.45 = 83,069,639.32 : x
  2. Step 2: Convert to fraction form
    257,950,476.30/386,914,906.45 = 83,069,639.32/x
  3. Step 3: Cross multiply
    257,950,476.30x = 386,914,906.45 × 83,069,639.32
  4. Step 4: Simplify right side
    257,950,476.30x = 32,140,881,726,333,036
  5. Step 5: Solve for x
    x = 32,140,881,726,333,036/257,950,476.30
  6. Step 6: Final answer
    x = 124,600,978.40

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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.