Home / 45,416,398.19-68,123,955.74-21,141,747.95

Finding the Fourth Proportional to 45,416,398.19, 68,123,955.74 and 21,141,747.95

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Solution

The fourth proportional to 45,416,398.19, 68,123,955.74 and 21,141,747.95 is: 31,712,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,416,398.19 : 68,123,955.74 = 21,141,747.95 : x
  2. Step 2: Convert to fraction form
    45,416,398.19/68,123,955.74 = 21,141,747.95/x
  3. Step 3: Cross multiply
    45,416,398.19x = 68,123,955.74 × 21,141,747.95
  4. Step 4: Simplify right side
    45,416,398.19x = 1,440,259,501,165,707.25
  5. Step 5: Solve for x
    x = 1,440,259,501,165,707.25/45,416,398.19
  6. Step 6: Final answer
    x = 31,712,323.27

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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.