Home / 120,856,869.86-181,338,887.90-63,335,465.06

Finding the Fourth Proportional to 120,856,869.86, 181,338,887.90 and 63,335,465.06

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Solution

The fourth proportional to 120,856,869.86, 181,338,887.90 and 63,335,465.06 is: 95,031,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,856,869.86 : 181,338,887.90 = 63,335,465.06 : x
  2. Step 2: Convert to fraction form
    120,856,869.86/181,338,887.90 = 63,335,465.06/x
  3. Step 3: Cross multiply
    120,856,869.86x = 181,338,887.90 × 63,335,465.06
  4. Step 4: Simplify right side
    120,856,869.86x = 11,485,182,797,861,352
  5. Step 5: Solve for x
    x = 11,485,182,797,861,352/120,856,869.86
  6. Step 6: Final answer
    x = 95,031,278.00

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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.