Home / 73,748,422.80-110,528,155.80-65,623,280.40

Finding the Fourth Proportional to 73,748,422.80, 110,528,155.80 and 65,623,280.40

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Solution

The fourth proportional to 73,748,422.80, 110,528,155.80 and 65,623,280.40 is: 98,350,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,748,422.80 : 110,528,155.80 = 65,623,280.40 : x
  2. Step 2: Convert to fraction form
    73,748,422.80/110,528,155.80 = 65,623,280.40/x
  3. Step 3: Cross multiply
    73,748,422.80x = 110,528,155.80 × 65,623,280.40
  4. Step 4: Simplify right side
    73,748,422.80x = 7,253,220,160,158,286
  5. Step 5: Solve for x
    x = 7,253,220,160,158,286/73,748,422.80
  6. Step 6: Final answer
    x = 98,350,851.24

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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.