Home / 187,272,001.80-280,908,002.70-153,231,784.20

Finding the Fourth Proportional to 187,272,001.80, 280,908,002.70 and 153,231,784.20

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Solution

The fourth proportional to 187,272,001.80, 280,908,002.70 and 153,231,784.20 is: 229,847,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,001.80 : 280,908,002.70 = 153,231,784.20 : x
  2. Step 2: Convert to fraction form
    187,272,001.80/280,908,002.70 = 153,231,784.20/x
  3. Step 3: Cross multiply
    187,272,001.80x = 280,908,002.70 × 153,231,784.20
  4. Step 4: Simplify right side
    187,272,001.80x = 43,044,034,449,779,416
  5. Step 5: Solve for x
    x = 43,044,034,449,779,416/187,272,001.80
  6. Step 6: Final answer
    x = 229,847,676.30

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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.