Home / 156,675,030.70-235,012,546.05-153,489,981.10

Finding the Fourth Proportional to 156,675,030.70, 235,012,546.05 and 153,489,981.10

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Solution

The fourth proportional to 156,675,030.70, 235,012,546.05 and 153,489,981.10 is: 230,234,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,675,030.70 : 235,012,546.05 = 153,489,981.10 : x
  2. Step 2: Convert to fraction form
    156,675,030.70/235,012,546.05 = 153,489,981.10/x
  3. Step 3: Cross multiply
    156,675,030.70x = 235,012,546.05 × 153,489,981.10
  4. Step 4: Simplify right side
    156,675,030.70x = 36,072,071,251,477,384
  5. Step 5: Solve for x
    x = 36,072,071,251,477,384/156,675,030.70
  6. Step 6: Final answer
    x = 230,234,971.65

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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.