Home / 103,248,003.20-154,872,004.80-72,343,068.80

Finding the Fourth Proportional to 103,248,003.20, 154,872,004.80 and 72,343,068.80

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Solution

The fourth proportional to 103,248,003.20, 154,872,004.80 and 72,343,068.80 is: 108,514,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,248,003.20 : 154,872,004.80 = 72,343,068.80 : x
  2. Step 2: Convert to fraction form
    103,248,003.20/154,872,004.80 = 72,343,068.80/x
  3. Step 3: Cross multiply
    103,248,003.20x = 154,872,004.80 × 72,343,068.80
  4. Step 4: Simplify right side
    103,248,003.20x = 11,203,916,098,440,330
  5. Step 5: Solve for x
    x = 11,203,916,098,440,330/103,248,003.20
  6. Step 6: Final answer
    x = 108,514,603.20

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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.