Home / 79,224,000.40-119,024,957.40-70,909,901.20

Finding the Fourth Proportional to 79,224,000.40, 119,024,957.40 and 70,909,901.20

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Solution

The fourth proportional to 79,224,000.40, 119,024,957.40 and 70,909,901.20 is: 106,533,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224,000.40 : 119,024,957.40 = 70,909,901.20 : x
  2. Step 2: Convert to fraction form
    79,224,000.40/119,024,957.40 = 70,909,901.20/x
  3. Step 3: Cross multiply
    79,224,000.40x = 119,024,957.40 × 70,909,901.20
  4. Step 4: Simplify right side
    79,224,000.40x = 8,440,047,969,568,210
  5. Step 5: Solve for x
    x = 8,440,047,969,568,210/79,224,000.40
  6. Step 6: Final answer
    x = 106,533,978.68

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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.