Home / 189,552,003.70-284,328,005.55-158,941,002.10

Finding the Fourth Proportional to 189,552,003.70, 284,328,005.55 and 158,941,002.10

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Solution

The fourth proportional to 189,552,003.70, 284,328,005.55 and 158,941,002.10 is: 238,411,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,003.70 : 284,328,005.55 = 158,941,002.10 : x
  2. Step 2: Convert to fraction form
    189,552,003.70/284,328,005.55 = 158,941,002.10/x
  3. Step 3: Cross multiply
    189,552,003.70x = 284,328,005.55 × 158,941,002.10
  4. Step 4: Simplify right side
    189,552,003.70x = 45,191,378,127,211,360
  5. Step 5: Solve for x
    x = 45,191,378,127,211,360/189,552,003.70
  6. Step 6: Final answer
    x = 238,411,503.15

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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.