Home / 83,057,681.80-124,585,356.30-37,619,403.40

Finding the Fourth Proportional to 83,057,681.80, 124,585,356.30 and 37,619,403.40

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Solution

The fourth proportional to 83,057,681.80, 124,585,356.30 and 37,619,403.40 is: 56,428,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,057,681.80 : 124,585,356.30 = 37,619,403.40 : x
  2. Step 2: Convert to fraction form
    83,057,681.80/124,585,356.30 = 37,619,403.40/x
  3. Step 3: Cross multiply
    83,057,681.80x = 124,585,356.30 × 37,619,403.40
  4. Step 4: Simplify right side
    83,057,681.80x = 4,686,826,776,382,431
  5. Step 5: Solve for x
    x = 4,686,826,776,382,431/83,057,681.80
  6. Step 6: Final answer
    x = 56,428,576.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.