Home / 65,170,499.40-97,768,871.10-19,112,279.40

Finding the Fourth Proportional to 65,170,499.40, 97,768,871.10 and 19,112,279.40

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Solution

The fourth proportional to 65,170,499.40, 97,768,871.10 and 19,112,279.40 is: 28,672,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,170,499.40 : 97,768,871.10 = 19,112,279.40 : x
  2. Step 2: Convert to fraction form
    65,170,499.40/97,768,871.10 = 19,112,279.40/x
  3. Step 3: Cross multiply
    65,170,499.40x = 97,768,871.10 × 19,112,279.40
  4. Step 4: Simplify right side
    65,170,499.40x = 1,868,585,981,085,785
  5. Step 5: Solve for x
    x = 1,868,585,981,085,785/65,170,499.40
  6. Step 6: Final answer
    x = 28,672,267.33

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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.