Home / 119,159,875.20-178,739,812.80-73,810,243.20

Finding the Fourth Proportional to 119,159,875.20, 178,739,812.80 and 73,810,243.20

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Solution

The fourth proportional to 119,159,875.20, 178,739,812.80 and 73,810,243.20 is: 110,715,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,159,875.20 : 178,739,812.80 = 73,810,243.20 : x
  2. Step 2: Convert to fraction form
    119,159,875.20/178,739,812.80 = 73,810,243.20/x
  3. Step 3: Cross multiply
    119,159,875.20x = 178,739,812.80 × 73,810,243.20
  4. Step 4: Simplify right side
    119,159,875.20x = 13,192,829,052,290,474
  5. Step 5: Solve for x
    x = 13,192,829,052,290,474/119,159,875.20
  6. Step 6: Final answer
    x = 110,715,364.80

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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.