Home / 122,711,670.62-169,341,987.59-67,707,529.82

Finding the Fourth Proportional to 122,711,670.62, 169,341,987.59 and 67,707,529.82

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Solution

The fourth proportional to 122,711,670.62, 169,341,987.59 and 67,707,529.82 is: 93,436,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,711,670.62 : 169,341,987.59 = 67,707,529.82 : x
  2. Step 2: Convert to fraction form
    122,711,670.62/169,341,987.59 = 67,707,529.82/x
  3. Step 3: Cross multiply
    122,711,670.62x = 169,341,987.59 × 67,707,529.82
  4. Step 4: Simplify right side
    122,711,670.62x = 11,465,727,673,342,748
  5. Step 5: Solve for x
    x = 11,465,727,673,342,748/122,711,670.62
  6. Step 6: Final answer
    x = 93,436,326.11

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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.