Home / 191,238,449.60-286,263,890.76-103,582,264.88

Finding the Fourth Proportional to 191,238,449.60, 286,263,890.76 and 103,582,264.88

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Solution

The fourth proportional to 191,238,449.60, 286,263,890.76 and 103,582,264.88 is: 155,051,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,238,449.60 : 286,263,890.76 = 103,582,264.88 : x
  2. Step 2: Convert to fraction form
    191,238,449.60/286,263,890.76 = 103,582,264.88/x
  3. Step 3: Cross multiply
    191,238,449.60x = 286,263,890.76 × 103,582,264.88
  4. Step 4: Simplify right side
    191,238,449.60x = 29,651,862,158,281,704
  5. Step 5: Solve for x
    x = 29,651,862,158,281,704/191,238,449.60
  6. Step 6: Final answer
    x = 155,051,780.75

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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.