Home / 79,224,080.40-119,025,077.40-70,909,981.20

Finding the Fourth Proportional to 79,224,080.40, 119,025,077.40 and 70,909,981.20

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Solution

The fourth proportional to 79,224,080.40, 119,025,077.40 and 70,909,981.20 is: 106,534,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224,080.40 : 119,025,077.40 = 70,909,981.20 : x
  2. Step 2: Convert to fraction form
    79,224,080.40/119,025,077.40 = 70,909,981.20/x
  3. Step 3: Cross multiply
    79,224,080.40x = 119,025,077.40 × 70,909,981.20
  4. Step 4: Simplify right side
    79,224,080.40x = 8,440,066,000,762,546
  5. Step 5: Solve for x
    x = 8,440,066,000,762,546/79,224,080.40
  6. Step 6: Final answer
    x = 106,534,098.70

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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.