Home / 103,680,048.30-155,520,072.45-58,243,325.10

Finding the Fourth Proportional to 103,680,048.30, 155,520,072.45 and 58,243,325.10

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Solution

The fourth proportional to 103,680,048.30, 155,520,072.45 and 58,243,325.10 is: 87,364,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680,048.30 : 155,520,072.45 = 58,243,325.10 : x
  2. Step 2: Convert to fraction form
    103,680,048.30/155,520,072.45 = 58,243,325.10/x
  3. Step 3: Cross multiply
    103,680,048.30x = 155,520,072.45 × 58,243,325.10
  4. Step 4: Simplify right side
    103,680,048.30x = 9,058,006,139,280,904
  5. Step 5: Solve for x
    x = 9,058,006,139,280,904/103,680,048.30
  6. Step 6: Final answer
    x = 87,364,987.65

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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.