Home / 100,897,575.66-139,238,653.02-54,487,828.20

Finding the Fourth Proportional to 100,897,575.66, 139,238,653.02 and 54,487,828.20

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Solution

The fourth proportional to 100,897,575.66, 139,238,653.02 and 54,487,828.20 is: 75,193,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,575.66 : 139,238,653.02 = 54,487,828.20 : x
  2. Step 2: Convert to fraction form
    100,897,575.66/139,238,653.02 = 54,487,828.20/x
  3. Step 3: Cross multiply
    100,897,575.66x = 139,238,653.02 × 54,487,828.20
  4. Step 4: Simplify right side
    100,897,575.66x = 7,586,811,804,553,172
  5. Step 5: Solve for x
    x = 7,586,811,804,553,172/100,897,575.66
  6. Step 6: Final answer
    x = 75,193,202.16

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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.