Home / 98,520,341,741.10-147,700,985,379.62-90,568,042,417.88

Finding the Fourth Proportional to 98,520,341,741.10, 147,700,985,379.62 and 90,568,042,417.88

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Solution

The fourth proportional to 98,520,341,741.10, 147,700,985,379.62 and 90,568,042,417.88 is: 135,778,955,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,520,341,741.10 : 147,700,985,379.62 = 90,568,042,417.88 : x
  2. Step 2: Convert to fraction form
    98,520,341,741.10/147,700,985,379.62 = 90,568,042,417.88/x
  3. Step 3: Cross multiply
    98,520,341,741.10x = 147,700,985,379.62 × 90,568,042,417.88
  4. Step 4: Simplify right side
    98,520,341,741.10x = 13,376,989,109,024,098,091,008
  5. Step 5: Solve for x
    x = 13,376,989,109,024,098,091,008/98,520,341,741.10
  6. Step 6: Final answer
    x = 135,778,955,620.93

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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.