Home / 118,106,367,820.39-162,969,254,534.03-71,732,663,064.88

Finding the Fourth Proportional to 118,106,367,820.39, 162,969,254,534.03 and 71,732,663,064.88

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Solution

The fourth proportional to 118,106,367,820.39, 162,969,254,534.03 and 71,732,663,064.88 is: 98,980,426,213.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,106,367,820.39 : 162,969,254,534.03 = 71,732,663,064.88 : x
  2. Step 2: Convert to fraction form
    118,106,367,820.39/162,969,254,534.03 = 71,732,663,064.88/x
  3. Step 3: Cross multiply
    118,106,367,820.39x = 162,969,254,534.03 × 71,732,663,064.88
  4. Step 4: Simplify right side
    118,106,367,820.39x = 11,690,218,625,423,915,352,064
  5. Step 5: Solve for x
    x = 11,690,218,625,423,915,352,064/118,106,367,820.39
  6. Step 6: Final answer
    x = 98,980,426,213.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.