Home / 91,534,393.40-126,281,862.80-51,832,810.40

Finding the Fourth Proportional to 91,534,393.40, 126,281,862.80 and 51,832,810.40

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Solution

The fourth proportional to 91,534,393.40, 126,281,862.80 and 51,832,810.40 is: 71,509,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,534,393.40 : 126,281,862.80 = 51,832,810.40 : x
  2. Step 2: Convert to fraction form
    91,534,393.40/126,281,862.80 = 51,832,810.40/x
  3. Step 3: Cross multiply
    91,534,393.40x = 126,281,862.80 × 51,832,810.40
  4. Step 4: Simplify right side
    91,534,393.40x = 6,545,543,851,471,213
  5. Step 5: Solve for x
    x = 6,545,543,851,471,213/91,534,393.40
  6. Step 6: Final answer
    x = 71,509,119.23

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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.