Home / 76,165,874.13-114,169,079.73-31,875,536.91

Finding the Fourth Proportional to 76,165,874.13, 114,169,079.73 and 31,875,536.91

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Solution

The fourth proportional to 76,165,874.13, 114,169,079.73 and 31,875,536.91 is: 47,779,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,165,874.13 : 114,169,079.73 = 31,875,536.91 : x
  2. Step 2: Convert to fraction form
    76,165,874.13/114,169,079.73 = 31,875,536.91/x
  3. Step 3: Cross multiply
    76,165,874.13x = 114,169,079.73 × 31,875,536.91
  4. Step 4: Simplify right side
    76,165,874.13x = 3,639,200,714,343,502.50
  5. Step 5: Solve for x
    x = 3,639,200,714,343,502.50/76,165,874.13
  6. Step 6: Final answer
    x = 47,779,937.62

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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.