Home / 103,592,635.20-155,409,688.80-30,809,275.20

Finding the Fourth Proportional to 103,592,635.20, 155,409,688.80 and 30,809,275.20

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Solution

The fourth proportional to 103,592,635.20, 155,409,688.80 and 30,809,275.20 is: 46,220,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,592,635.20 : 155,409,688.80 = 30,809,275.20 : x
  2. Step 2: Convert to fraction form
    103,592,635.20/155,409,688.80 = 30,809,275.20/x
  3. Step 3: Cross multiply
    103,592,635.20x = 155,409,688.80 × 30,809,275.20
  4. Step 4: Simplify right side
    103,592,635.20x = 4,788,059,870,985,558
  5. Step 5: Solve for x
    x = 4,788,059,870,985,558/103,592,635.20
  6. Step 6: Final answer
    x = 46,220,079.85

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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.