Home / 91,616,161.80-126,433,382.02-53,932,526.12

Finding the Fourth Proportional to 91,616,161.80, 126,433,382.02 and 53,932,526.12

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Solution

The fourth proportional to 91,616,161.80, 126,433,382.02 and 53,932,526.12 is: 74,428,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,616,161.80 : 126,433,382.02 = 53,932,526.12 : x
  2. Step 2: Convert to fraction form
    91,616,161.80/126,433,382.02 = 53,932,526.12/x
  3. Step 3: Cross multiply
    91,616,161.80x = 126,433,382.02 × 53,932,526.12
  4. Step 4: Simplify right side
    91,616,161.80x = 6,818,871,678,233,588
  5. Step 5: Solve for x
    x = 6,818,871,678,233,588/91,616,161.80
  6. Step 6: Final answer
    x = 74,428,698.43

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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.