Home / 137,745,150.13-190,088,307.24-75,865,488.69

Finding the Fourth Proportional to 137,745,150.13, 190,088,307.24 and 75,865,488.69

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Solution

The fourth proportional to 137,745,150.13, 190,088,307.24 and 75,865,488.69 is: 104,694,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,745,150.13 : 190,088,307.24 = 75,865,488.69 : x
  2. Step 2: Convert to fraction form
    137,745,150.13/190,088,307.24 = 75,865,488.69/x
  3. Step 3: Cross multiply
    137,745,150.13x = 190,088,307.24 × 75,865,488.69
  4. Step 4: Simplify right side
    137,745,150.13x = 14,421,142,323,445,800
  5. Step 5: Solve for x
    x = 14,421,142,323,445,800/137,745,150.13
  6. Step 6: Final answer
    x = 104,694,374.43

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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.