Home / 112,887,130.17-169,392,412.86-43,802,657.85

Finding the Fourth Proportional to 112,887,130.17, 169,392,412.86 and 43,802,657.85

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Solution

The fourth proportional to 112,887,130.17, 169,392,412.86 and 43,802,657.85 is: 65,727,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,887,130.17 : 169,392,412.86 = 43,802,657.85 : x
  2. Step 2: Convert to fraction form
    112,887,130.17/169,392,412.86 = 43,802,657.85/x
  3. Step 3: Cross multiply
    112,887,130.17x = 169,392,412.86 × 43,802,657.85
  4. Step 4: Simplify right side
    112,887,130.17x = 7,419,837,903,363,481
  5. Step 5: Solve for x
    x = 7,419,837,903,363,481/112,887,130.17
  6. Step 6: Final answer
    x = 65,727,934.55

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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.