Home / 127,315,335.42-190,592,358.35-77,975,834.22

Finding the Fourth Proportional to 127,315,335.42, 190,592,358.35 and 77,975,834.22

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Solution

The fourth proportional to 127,315,335.42, 190,592,358.35 and 77,975,834.22 is: 116,730,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,315,335.42 : 190,592,358.35 = 77,975,834.22 : x
  2. Step 2: Convert to fraction form
    127,315,335.42/190,592,358.35 = 77,975,834.22/x
  3. Step 3: Cross multiply
    127,315,335.42x = 190,592,358.35 × 77,975,834.22
  4. Step 4: Simplify right side
    127,315,335.42x = 14,861,598,137,908,554
  5. Step 5: Solve for x
    x = 14,861,598,137,908,554/127,315,335.42
  6. Step 6: Final answer
    x = 116,730,620.78

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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.