Home / 75,432,130.20-112,980,233.70-65,354,434.20

Finding the Fourth Proportional to 75,432,130.20, 112,980,233.70 and 65,354,434.20

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Solution

The fourth proportional to 75,432,130.20, 112,980,233.70 and 65,354,434.20 is: 97,886,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,432,130.20 : 112,980,233.70 = 65,354,434.20 : x
  2. Step 2: Convert to fraction form
    75,432,130.20/112,980,233.70 = 65,354,434.20/x
  3. Step 3: Cross multiply
    75,432,130.20x = 112,980,233.70 × 65,354,434.20
  4. Step 4: Simplify right side
    75,432,130.20x = 7,383,759,249,247,273
  5. Step 5: Solve for x
    x = 7,383,759,249,247,273/75,432,130.20
  6. Step 6: Final answer
    x = 97,886,129.29

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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.