Home / 76,652,389.29-105,780,726.85-43,612,637.73

Finding the Fourth Proportional to 76,652,389.29, 105,780,726.85 and 43,612,637.73

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Solution

The fourth proportional to 76,652,389.29, 105,780,726.85 and 43,612,637.73 is: 60,185,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,652,389.29 : 105,780,726.85 = 43,612,637.73 : x
  2. Step 2: Convert to fraction form
    76,652,389.29/105,780,726.85 = 43,612,637.73/x
  3. Step 3: Cross multiply
    76,652,389.29x = 105,780,726.85 × 43,612,637.73
  4. Step 4: Simplify right side
    76,652,389.29x = 4,613,376,518,500,981
  5. Step 5: Solve for x
    x = 4,613,376,518,500,981/76,652,389.29
  6. Step 6: Final answer
    x = 60,185,684.50

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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.