Home / 65,206,182.48-89,947,061.88-40,717,381.20

Finding the Fourth Proportional to 65,206,182.48, 89,947,061.88 and 40,717,381.20

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Solution

The fourth proportional to 65,206,182.48, 89,947,061.88 and 40,717,381.20 is: 56,166,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,206,182.48 : 89,947,061.88 = 40,717,381.20 : x
  2. Step 2: Convert to fraction form
    65,206,182.48/89,947,061.88 = 40,717,381.20/x
  3. Step 3: Cross multiply
    65,206,182.48x = 89,947,061.88 × 40,717,381.20
  4. Step 4: Simplify right side
    65,206,182.48x = 3,662,408,806,387,948.50
  5. Step 5: Solve for x
    x = 3,662,408,806,387,948.50/65,206,182.48
  6. Step 6: Final answer
    x = 56,166,588.31

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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.