Home / 67,512,824.40-101,272,001.40-19,643,768.40

Finding the Fourth Proportional to 67,512,824.40, 101,272,001.40 and 19,643,768.40

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Solution

The fourth proportional to 67,512,824.40, 101,272,001.40 and 19,643,768.40 is: 29,466,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,512,824.40 : 101,272,001.40 = 19,643,768.40 : x
  2. Step 2: Convert to fraction form
    67,512,824.40/101,272,001.40 = 19,643,768.40/x
  3. Step 3: Cross multiply
    67,512,824.40x = 101,272,001.40 × 19,643,768.40
  4. Step 4: Simplify right side
    67,512,824.40x = 1,989,363,740,906,075.75
  5. Step 5: Solve for x
    x = 1,989,363,740,906,075.75/67,512,824.40
  6. Step 6: Final answer
    x = 29,466,457.06

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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.