Home / 86,859,374.28-119,865,621.88-47,703,685.92

Finding the Fourth Proportional to 86,859,374.28, 119,865,621.88 and 47,703,685.92

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Solution

The fourth proportional to 86,859,374.28, 119,865,621.88 and 47,703,685.92 is: 65,830,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,859,374.28 : 119,865,621.88 = 47,703,685.92 : x
  2. Step 2: Convert to fraction form
    86,859,374.28/119,865,621.88 = 47,703,685.92/x
  3. Step 3: Cross multiply
    86,859,374.28x = 119,865,621.88 × 47,703,685.92
  4. Step 4: Simplify right side
    86,859,374.28x = 5,718,031,978,769,000
  5. Step 5: Solve for x
    x = 5,718,031,978,769,000/86,859,374.28
  6. Step 6: Final answer
    x = 65,830,913.77

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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.