Home / 187,272,000.30-280,908,000.45-153,231,782.70

Finding the Fourth Proportional to 187,272,000.30, 280,908,000.45 and 153,231,782.70

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Solution

The fourth proportional to 187,272,000.30, 280,908,000.45 and 153,231,782.70 is: 229,847,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,000.30 : 280,908,000.45 = 153,231,782.70 : x
  2. Step 2: Convert to fraction form
    187,272,000.30/280,908,000.45 = 153,231,782.70/x
  3. Step 3: Cross multiply
    187,272,000.30x = 280,908,000.45 × 153,231,782.70
  4. Step 4: Simplify right side
    187,272,000.30x = 43,044,033,683,645,896
  5. Step 5: Solve for x
    x = 43,044,033,683,645,896/187,272,000.30
  6. Step 6: Final answer
    x = 229,847,674.05

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1.5x scale

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.