Home / 156,675,030.20-235,012,545.30-153,489,980.60

Finding the Fourth Proportional to 156,675,030.20, 235,012,545.30 and 153,489,980.60

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Solution

The fourth proportional to 156,675,030.20, 235,012,545.30 and 153,489,980.60 is: 230,234,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,675,030.20 : 235,012,545.30 = 153,489,980.60 : x
  2. Step 2: Convert to fraction form
    156,675,030.20/235,012,545.30 = 153,489,980.60/x
  3. Step 3: Cross multiply
    156,675,030.20x = 235,012,545.30 × 153,489,980.60
  4. Step 4: Simplify right side
    156,675,030.20x = 36,072,071,018,853,624
  5. Step 5: Solve for x
    x = 36,072,071,018,853,624/156,675,030.20
  6. Step 6: Final answer
    x = 230,234,970.90

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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.