Home / 145,890,059,689.78-201,317,290,033.41-88,791,059,469.74

Finding the Fourth Proportional to 145,890,059,689.78, 201,317,290,033.41 and 88,791,059,469.74

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Solution

The fourth proportional to 145,890,059,689.78, 201,317,290,033.41 and 88,791,059,469.74 is: 122,524,971,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,890,059,689.78 : 201,317,290,033.41 = 88,791,059,469.74 : x
  2. Step 2: Convert to fraction form
    145,890,059,689.78/201,317,290,033.41 = 88,791,059,469.74/x
  3. Step 3: Cross multiply
    145,890,059,689.78x = 201,317,290,033.41 × 88,791,059,469.74
  4. Step 4: Simplify right side
    145,890,059,689.78x = 17,875,175,471,642,396,590,080
  5. Step 5: Solve for x
    x = 17,875,175,471,642,396,590,080/145,890,059,689.78
  6. Step 6: Final answer
    x = 122,524,971,952.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.