Home / 65,171,165.40-89,926,210.54-37,663,781.40

Finding the Fourth Proportional to 65,171,165.40, 89,926,210.54 and 37,663,781.40

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Solution

The fourth proportional to 65,171,165.40, 89,926,210.54 and 37,663,781.40 is: 51,970,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,171,165.40 : 89,926,210.54 = 37,663,781.40 : x
  2. Step 2: Convert to fraction form
    65,171,165.40/89,926,210.54 = 37,663,781.40/x
  3. Step 3: Cross multiply
    65,171,165.40x = 89,926,210.54 × 37,663,781.40
  4. Step 4: Simplify right side
    65,171,165.40x = 3,386,961,135,908,936
  5. Step 5: Solve for x
    x = 3,386,961,135,908,936/65,171,165.40
  6. Step 6: Final answer
    x = 51,970,240.44

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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.