Home / 85,374,470.25-128,065,248.32-24,790,196.25

Finding the Fourth Proportional to 85,374,470.25, 128,065,248.32 and 24,790,196.25

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Solution

The fourth proportional to 85,374,470.25, 128,065,248.32 and 24,790,196.25 is: 37,186,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,374,470.25 : 128,065,248.32 = 24,790,196.25 : x
  2. Step 2: Convert to fraction form
    85,374,470.25/128,065,248.32 = 24,790,196.25/x
  3. Step 3: Cross multiply
    85,374,470.25x = 128,065,248.32 × 24,790,196.25
  4. Step 4: Simplify right side
    85,374,470.25x = 3,174,762,638,533,832
  5. Step 5: Solve for x
    x = 3,174,762,638,533,832/85,374,470.25
  6. Step 6: Final answer
    x = 37,186,323.14

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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.