Home / 349,766,981.45-524,832,047.38-142,657,337.87

Finding the Fourth Proportional to 349,766,981.45, 524,832,047.38 and 142,657,337.87

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Solution

The fourth proportional to 349,766,981.45, 524,832,047.38 and 142,657,337.87 is: 214,060,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,766,981.45 : 524,832,047.38 = 142,657,337.87 : x
  2. Step 2: Convert to fraction form
    349,766,981.45/524,832,047.38 = 142,657,337.87/x
  3. Step 3: Cross multiply
    349,766,981.45x = 524,832,047.38 × 142,657,337.87
  4. Step 4: Simplify right side
    349,766,981.45x = 74,871,142,707,614,800
  5. Step 5: Solve for x
    x = 74,871,142,707,614,800/349,766,981.45
  6. Step 6: Final answer
    x = 214,060,064.78

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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.