Home / 65,112,891.30-89,852,490.18-38,652,376.16

Finding the Fourth Proportional to 65,112,891.30, 89,852,490.18 and 38,652,376.16

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Solution

The fourth proportional to 65,112,891.30, 89,852,490.18 and 38,652,376.16 is: 53,338,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,112,891.30 : 89,852,490.18 = 38,652,376.16 : x
  2. Step 2: Convert to fraction form
    65,112,891.30/89,852,490.18 = 38,652,376.16/x
  3. Step 3: Cross multiply
    65,112,891.30x = 89,852,490.18 × 38,652,376.16
  4. Step 4: Simplify right side
    65,112,891.30x = 3,473,012,249,350,066
  5. Step 5: Solve for x
    x = 3,473,012,249,350,066/65,112,891.30
  6. Step 6: Final answer
    x = 53,338,320.26

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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.