Home / 98,520,341,742.10-147,700,985,381.12-90,568,042,418.88

Finding the Fourth Proportional to 98,520,341,742.10, 147,700,985,381.12 and 90,568,042,418.88

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Solution

The fourth proportional to 98,520,341,742.10, 147,700,985,381.12 and 90,568,042,418.88 is: 135,778,955,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,520,341,742.10 : 147,700,985,381.12 = 90,568,042,418.88 : x
  2. Step 2: Convert to fraction form
    98,520,341,742.10/147,700,985,381.12 = 90,568,042,418.88/x
  3. Step 3: Cross multiply
    98,520,341,742.10x = 147,700,985,381.12 × 90,568,042,418.88
  4. Step 4: Simplify right side
    98,520,341,742.10x = 13,376,989,109,307,651,915,776
  5. Step 5: Solve for x
    x = 13,376,989,109,307,651,915,776/98,520,341,742.10
  6. Step 6: Final answer
    x = 135,778,955,622.43

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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.