Home / 98,506,628.80-147,759,943.20-66,258,001.60

Finding the Fourth Proportional to 98,506,628.80, 147,759,943.20 and 66,258,001.60

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Solution

The fourth proportional to 98,506,628.80, 147,759,943.20 and 66,258,001.60 is: 99,387,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,506,628.80 : 147,759,943.20 = 66,258,001.60 : x
  2. Step 2: Convert to fraction form
    98,506,628.80/147,759,943.20 = 66,258,001.60/x
  3. Step 3: Cross multiply
    98,506,628.80x = 147,759,943.20 × 66,258,001.60
  4. Step 4: Simplify right side
    98,506,628.80x = 9,790,278,552,961,508
  5. Step 5: Solve for x
    x = 9,790,278,552,961,508/98,506,628.80
  6. Step 6: Final answer
    x = 99,387,002.40

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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.