Home / 68,877,555.59-103,073,672.07-42,982,041.29

Finding the Fourth Proportional to 68,877,555.59, 103,073,672.07 and 42,982,041.29

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Solution

The fourth proportional to 68,877,555.59, 103,073,672.07 and 42,982,041.29 is: 64,321,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,877,555.59 : 103,073,672.07 = 42,982,041.29 : x
  2. Step 2: Convert to fraction form
    68,877,555.59/103,073,672.07 = 42,982,041.29/x
  3. Step 3: Cross multiply
    68,877,555.59x = 103,073,672.07 × 42,982,041.29
  4. Step 4: Simplify right side
    68,877,555.59x = 4,430,316,828,309,290.50
  5. Step 5: Solve for x
    x = 4,430,316,828,309,290.50/68,877,555.59
  6. Step 6: Final answer
    x = 64,321,632.65

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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.