Home / 86,910,280.30-130,176,463.65-52,772,085.10

Finding the Fourth Proportional to 86,910,280.30, 130,176,463.65 and 52,772,085.10

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Solution

The fourth proportional to 86,910,280.30, 130,176,463.65 and 52,772,085.10 is: 79,043,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,910,280.30 : 130,176,463.65 = 52,772,085.10 : x
  2. Step 2: Convert to fraction form
    86,910,280.30/130,176,463.65 = 52,772,085.10/x
  3. Step 3: Cross multiply
    86,910,280.30x = 130,176,463.65 × 52,772,085.10
  4. Step 4: Simplify right side
    86,910,280.30x = 6,869,683,417,754,857
  5. Step 5: Solve for x
    x = 6,869,683,417,754,857/86,910,280.30
  6. Step 6: Final answer
    x = 79,043,392.73

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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.