Home / 103,612,475.91-143,049,746.07-65,956,886.54

Finding the Fourth Proportional to 103,612,475.91, 143,049,746.07 and 65,956,886.54

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Solution

The fourth proportional to 103,612,475.91, 143,049,746.07 and 65,956,886.54 is: 91,061,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612,475.91 : 143,049,746.07 = 65,956,886.54 : x
  2. Step 2: Convert to fraction form
    103,612,475.91/143,049,746.07 = 65,956,886.54/x
  3. Step 3: Cross multiply
    103,612,475.91x = 143,049,746.07 × 65,956,886.54
  4. Step 4: Simplify right side
    103,612,475.91x = 9,435,115,870,399,552
  5. Step 5: Solve for x
    x = 9,435,115,870,399,552/103,612,475.91
  6. Step 6: Final answer
    x = 91,061,581.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.