Home / 257,950,475.30-386,914,904.96-83,069,638.32

Finding the Fourth Proportional to 257,950,475.30, 386,914,904.96 and 83,069,638.32

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Solution

The fourth proportional to 257,950,475.30, 386,914,904.96 and 83,069,638.32 is: 124,600,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,950,475.30 : 386,914,904.96 = 83,069,638.32 : x
  2. Step 2: Convert to fraction form
    257,950,475.30/386,914,904.96 = 83,069,638.32/x
  3. Step 3: Cross multiply
    257,950,475.30x = 386,914,904.96 × 83,069,638.32
  4. Step 4: Simplify right side
    257,950,475.30x = 32,140,881,216,679,956
  5. Step 5: Solve for x
    x = 32,140,881,216,679,956/257,950,475.30
  6. Step 6: Final answer
    x = 124,600,976.91

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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.