Home / 127,598,765.40-191,398,148.10-120,880,301.40

Finding the Fourth Proportional to 127,598,765.40, 191,398,148.10 and 120,880,301.40

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Solution

The fourth proportional to 127,598,765.40, 191,398,148.10 and 120,880,301.40 is: 181,320,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,598,765.40 : 191,398,148.10 = 120,880,301.40 : x
  2. Step 2: Convert to fraction form
    127,598,765.40/191,398,148.10 = 120,880,301.40/x
  3. Step 3: Cross multiply
    127,598,765.40x = 191,398,148.10 × 120,880,301.40
  4. Step 4: Simplify right side
    127,598,765.40x = 23,136,265,829,729,836
  5. Step 5: Solve for x
    x = 23,136,265,829,729,836/127,598,765.40
  6. Step 6: Final answer
    x = 181,320,452.10

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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.