Home / 137,785,614.30-206,678,421.45-61,258,110.30

Finding the Fourth Proportional to 137,785,614.30, 206,678,421.45 and 61,258,110.30

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Solution

The fourth proportional to 137,785,614.30, 206,678,421.45 and 61,258,110.30 is: 91,887,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,785,614.30 : 206,678,421.45 = 61,258,110.30 : x
  2. Step 2: Convert to fraction form
    137,785,614.30/206,678,421.45 = 61,258,110.30/x
  3. Step 3: Cross multiply
    137,785,614.30x = 206,678,421.45 × 61,258,110.30
  4. Step 4: Simplify right side
    137,785,614.30x = 12,660,729,537,813,984
  5. Step 5: Solve for x
    x = 12,660,729,537,813,984/137,785,614.30
  6. Step 6: Final answer
    x = 91,887,165.45

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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.