Home / 156,675,031.20-235,012,546.80-153,489,981.60

Finding the Fourth Proportional to 156,675,031.20, 235,012,546.80 and 153,489,981.60

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Solution

The fourth proportional to 156,675,031.20, 235,012,546.80 and 153,489,981.60 is: 230,234,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,675,031.20 : 235,012,546.80 = 153,489,981.60 : x
  2. Step 2: Convert to fraction form
    156,675,031.20/235,012,546.80 = 153,489,981.60/x
  3. Step 3: Cross multiply
    156,675,031.20x = 235,012,546.80 × 153,489,981.60
  4. Step 4: Simplify right side
    156,675,031.20x = 36,072,071,484,101,136
  5. Step 5: Solve for x
    x = 36,072,071,484,101,136/156,675,031.20
  6. Step 6: Final answer
    x = 230,234,972.40

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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.