Home / 83,018,424.70-124,527,637.05-52,859,986.30

Finding the Fourth Proportional to 83,018,424.70, 124,527,637.05 and 52,859,986.30

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Solution

The fourth proportional to 83,018,424.70, 124,527,637.05 and 52,859,986.30 is: 79,289,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,018,424.70 : 124,527,637.05 = 52,859,986.30 : x
  2. Step 2: Convert to fraction form
    83,018,424.70/124,527,637.05 = 52,859,986.30/x
  3. Step 3: Cross multiply
    83,018,424.70x = 124,527,637.05 × 52,859,986.30
  4. Step 4: Simplify right side
    83,018,424.70x = 6,582,529,188,434,372
  5. Step 5: Solve for x
    x = 6,582,529,188,434,372/83,018,424.70
  6. Step 6: Final answer
    x = 79,289,979.45

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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.