Home / 70,041,073.24-96,655,672.08-38,680,449.16

Finding the Fourth Proportional to 70,041,073.24, 96,655,672.08 and 38,680,449.16

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Solution

The fourth proportional to 70,041,073.24, 96,655,672.08 and 38,680,449.16 is: 53,378,462.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,041,073.24 : 96,655,672.08 = 38,680,449.16 : x
  2. Step 2: Convert to fraction form
    70,041,073.24/96,655,672.08 = 38,680,449.16/x
  3. Step 3: Cross multiply
    70,041,073.24x = 96,655,672.08 × 38,680,449.16
  4. Step 4: Simplify right side
    70,041,073.24x = 3,738,684,809,916,071
  5. Step 5: Solve for x
    x = 3,738,684,809,916,071/70,041,073.24
  6. Step 6: Final answer
    x = 53,378,462.62

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Double scale
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Similar ratio
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1.5x scale

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.