Home / 97,989,306.40-146,983,959.60-43,428,030.40

Finding the Fourth Proportional to 97,989,306.40, 146,983,959.60 and 43,428,030.40

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Solution

The fourth proportional to 97,989,306.40, 146,983,959.60 and 43,428,030.40 is: 65,142,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,989,306.40 : 146,983,959.60 = 43,428,030.40 : x
  2. Step 2: Convert to fraction form
    97,989,306.40/146,983,959.60 = 43,428,030.40/x
  3. Step 3: Cross multiply
    97,989,306.40x = 146,983,959.60 × 43,428,030.40
  4. Step 4: Simplify right side
    97,989,306.40x = 6,383,223,865,821,171
  5. Step 5: Solve for x
    x = 6,383,223,865,821,171/97,989,306.40
  6. Step 6: Final answer
    x = 65,142,045.60

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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.