Home / 291,699,708.40-437,275,847.40-110,068,937.20

Finding the Fourth Proportional to 291,699,708.40, 437,275,847.40 and 110,068,937.20

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Solution

The fourth proportional to 291,699,708.40, 437,275,847.40 and 110,068,937.20 is: 165,000,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,699,708.40 : 437,275,847.40 = 110,068,937.20 : x
  2. Step 2: Convert to fraction form
    291,699,708.40/437,275,847.40 = 110,068,937.20/x
  3. Step 3: Cross multiply
    291,699,708.40x = 437,275,847.40 × 110,068,937.20
  4. Step 4: Simplify right side
    291,699,708.40x = 48,130,487,786,547,384
  5. Step 5: Solve for x
    x = 48,130,487,786,547,384/291,699,708.40
  6. Step 6: Final answer
    x = 165,000,123.07

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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.