Home / 65,839,862.32-90,890,516.32-43,849,956.40

Finding the Fourth Proportional to 65,839,862.32, 90,890,516.32 and 43,849,956.40

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Solution

The fourth proportional to 65,839,862.32, 90,890,516.32 and 43,849,956.40 is: 60,533,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,839,862.32 : 90,890,516.32 = 43,849,956.40 : x
  2. Step 2: Convert to fraction form
    65,839,862.32/90,890,516.32 = 43,849,956.40/x
  3. Step 3: Cross multiply
    65,839,862.32x = 90,890,516.32 × 43,849,956.40
  4. Step 4: Simplify right side
    65,839,862.32x = 3,985,545,177,805,488
  5. Step 5: Solve for x
    x = 3,985,545,177,805,488/65,839,862.32
  6. Step 6: Final answer
    x = 60,533,923.33

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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.