Home / 79,224,065.40-119,025,054.90-70,909,966.20

Finding the Fourth Proportional to 79,224,065.40, 119,025,054.90 and 70,909,966.20

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Solution

The fourth proportional to 79,224,065.40, 119,025,054.90 and 70,909,966.20 is: 106,534,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224,065.40 : 119,025,054.90 = 70,909,966.20 : x
  2. Step 2: Convert to fraction form
    79,224,065.40/119,025,054.90 = 70,909,966.20/x
  3. Step 3: Cross multiply
    79,224,065.40x = 119,025,054.90 × 70,909,966.20
  4. Step 4: Simplify right side
    79,224,065.40x = 8,440,062,619,912,145
  5. Step 5: Solve for x
    x = 8,440,062,619,912,145/79,224,065.40
  6. Step 6: Final answer
    x = 106,534,076.20

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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.