Home / 52,127,780.60-78,196,266.12-19,338,729.26

Finding the Fourth Proportional to 52,127,780.60, 78,196,266.12 and 19,338,729.26

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Solution

The fourth proportional to 52,127,780.60, 78,196,266.12 and 19,338,729.26 is: 29,009,798.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,127,780.60 : 78,196,266.12 = 19,338,729.26 : x
  2. Step 2: Convert to fraction form
    52,127,780.60/78,196,266.12 = 19,338,729.26/x
  3. Step 3: Cross multiply
    52,127,780.60x = 78,196,266.12 × 19,338,729.26
  4. Step 4: Simplify right side
    52,127,780.60x = 1,512,216,419,637,591
  5. Step 5: Solve for x
    x = 1,512,216,419,637,591/52,127,780.60
  6. Step 6: Final answer
    x = 29,009,798.66

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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.