Home / 187,272,020.80-280,908,031.20-153,231,803.20

Finding the Fourth Proportional to 187,272,020.80, 280,908,031.20 and 153,231,803.20

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Solution

The fourth proportional to 187,272,020.80, 280,908,031.20 and 153,231,803.20 is: 229,847,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,020.80 : 280,908,031.20 = 153,231,803.20 : x
  2. Step 2: Convert to fraction form
    187,272,020.80/280,908,031.20 = 153,231,803.20/x
  3. Step 3: Cross multiply
    187,272,020.80x = 280,908,031.20 × 153,231,803.20
  4. Step 4: Simplify right side
    187,272,020.80x = 43,044,044,154,137,856
  5. Step 5: Solve for x
    x = 43,044,044,154,137,856/187,272,020.80
  6. Step 6: Final answer
    x = 229,847,704.80

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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.