Home / 142,010,422.40-213,015,633.60-65,482,918.40

Finding the Fourth Proportional to 142,010,422.40, 213,015,633.60 and 65,482,918.40

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Solution

The fourth proportional to 142,010,422.40, 213,015,633.60 and 65,482,918.40 is: 98,224,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,010,422.40 : 213,015,633.60 = 65,482,918.40 : x
  2. Step 2: Convert to fraction form
    142,010,422.40/213,015,633.60 = 65,482,918.40/x
  3. Step 3: Cross multiply
    142,010,422.40x = 213,015,633.60 × 65,482,918.40
  4. Step 4: Simplify right side
    142,010,422.40x = 13,948,885,352,953,098
  5. Step 5: Solve for x
    x = 13,948,885,352,953,098/142,010,422.40
  6. Step 6: Final answer
    x = 98,224,377.60

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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.