Home / 65,171,164.40-89,926,209.16-37,663,780.40

Finding the Fourth Proportional to 65,171,164.40, 89,926,209.16 and 37,663,780.40

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Solution

The fourth proportional to 65,171,164.40, 89,926,209.16 and 37,663,780.40 is: 51,970,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,171,164.40 : 89,926,209.16 = 37,663,780.40 : x
  2. Step 2: Convert to fraction form
    65,171,164.40/89,926,209.16 = 37,663,780.40/x
  3. Step 3: Cross multiply
    65,171,164.40x = 89,926,209.16 × 37,663,780.40
  4. Step 4: Simplify right side
    65,171,164.40x = 3,386,960,994,006,708
  5. Step 5: Solve for x
    x = 3,386,960,994,006,708/65,171,164.40
  6. Step 6: Final answer
    x = 51,970,239.06

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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.