Home / 91,857,145.80-137,785,718.70-62,757,798.60

Finding the Fourth Proportional to 91,857,145.80, 137,785,718.70 and 62,757,798.60

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Solution

The fourth proportional to 91,857,145.80, 137,785,718.70 and 62,757,798.60 is: 94,136,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,857,145.80 : 137,785,718.70 = 62,757,798.60 : x
  2. Step 2: Convert to fraction form
    91,857,145.80/137,785,718.70 = 62,757,798.60/x
  3. Step 3: Cross multiply
    91,857,145.80x = 137,785,718.70 × 62,757,798.60
  4. Step 4: Simplify right side
    91,857,145.80x = 8,647,128,384,130,853
  5. Step 5: Solve for x
    x = 8,647,128,384,130,853/91,857,145.80
  6. Step 6: Final answer
    x = 94,136,697.90

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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.