Home / 103,248,002.70-154,872,004.05-72,343,068.30

Finding the Fourth Proportional to 103,248,002.70, 154,872,004.05 and 72,343,068.30

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Solution

The fourth proportional to 103,248,002.70, 154,872,004.05 and 72,343,068.30 is: 108,514,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,248,002.70 : 154,872,004.05 = 72,343,068.30 : x
  2. Step 2: Convert to fraction form
    103,248,002.70/154,872,004.05 = 72,343,068.30/x
  3. Step 3: Cross multiply
    103,248,002.70x = 154,872,004.05 × 72,343,068.30
  4. Step 4: Simplify right side
    103,248,002.70x = 11,203,915,966,747,028
  5. Step 5: Solve for x
    x = 11,203,915,966,747,028/103,248,002.70
  6. Step 6: Final answer
    x = 108,514,602.45

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Similar ratio
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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.