Home / 98,656,829.80-147,985,244.70-47,544,015.40

Finding the Fourth Proportional to 98,656,829.80, 147,985,244.70 and 47,544,015.40

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Solution

The fourth proportional to 98,656,829.80, 147,985,244.70 and 47,544,015.40 is: 71,316,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,656,829.80 : 147,985,244.70 = 47,544,015.40 : x
  2. Step 2: Convert to fraction form
    98,656,829.80/147,985,244.70 = 47,544,015.40/x
  3. Step 3: Cross multiply
    98,656,829.80x = 147,985,244.70 × 47,544,015.40
  4. Step 4: Simplify right side
    98,656,829.80x = 7,035,812,752,989,568
  5. Step 5: Solve for x
    x = 7,035,812,752,989,568/98,656,829.80
  6. Step 6: Final answer
    x = 71,316,023.10

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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.