Home / 81,668,484.60-112,710,451.14-61,006,058.52

Finding the Fourth Proportional to 81,668,484.60, 112,710,451.14 and 61,006,058.52

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Solution

The fourth proportional to 81,668,484.60, 112,710,451.14 and 61,006,058.52 is: 84,194,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,668,484.60 : 112,710,451.14 = 61,006,058.52 : x
  2. Step 2: Convert to fraction form
    81,668,484.60/112,710,451.14 = 61,006,058.52/x
  3. Step 3: Cross multiply
    81,668,484.60x = 112,710,451.14 × 61,006,058.52
  4. Step 4: Simplify right side
    81,668,484.60x = 6,876,020,378,062,441
  5. Step 5: Solve for x
    x = 6,876,020,378,062,441/81,668,484.60
  6. Step 6: Final answer
    x = 84,194,293.70

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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.