Home / 98,888,720.40-148,333,080.60-88,307,139.60

Finding the Fourth Proportional to 98,888,720.40, 148,333,080.60 and 88,307,139.60

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Solution

The fourth proportional to 98,888,720.40, 148,333,080.60 and 88,307,139.60 is: 132,460,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,888,720.40 : 148,333,080.60 = 88,307,139.60 : x
  2. Step 2: Convert to fraction form
    98,888,720.40/148,333,080.60 = 88,307,139.60/x
  3. Step 3: Cross multiply
    98,888,720.40x = 148,333,080.60 × 88,307,139.60
  4. Step 4: Simplify right side
    98,888,720.40x = 13,098,870,055,842,250
  5. Step 5: Solve for x
    x = 13,098,870,055,842,250/98,888,720.40
  6. Step 6: Final answer
    x = 132,460,709.40

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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.