Home / 144,854,129.70-217,281,194.55-76,829,681.70

Finding the Fourth Proportional to 144,854,129.70, 217,281,194.55 and 76,829,681.70

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Solution

The fourth proportional to 144,854,129.70, 217,281,194.55 and 76,829,681.70 is: 115,244,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,854,129.70 : 217,281,194.55 = 76,829,681.70 : x
  2. Step 2: Convert to fraction form
    144,854,129.70/217,281,194.55 = 76,829,681.70/x
  3. Step 3: Cross multiply
    144,854,129.70x = 217,281,194.55 × 76,829,681.70
  4. Step 4: Simplify right side
    144,854,129.70x = 16,693,645,016,672,276
  5. Step 5: Solve for x
    x = 16,693,645,016,672,276/144,854,129.70
  6. Step 6: Final answer
    x = 115,244,522.55

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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.