Home / 42,065,049.60-63,097,574.40-19,390,233.60

Finding the Fourth Proportional to 42,065,049.60, 63,097,574.40 and 19,390,233.60

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Solution

The fourth proportional to 42,065,049.60, 63,097,574.40 and 19,390,233.60 is: 29,085,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,065,049.60 : 63,097,574.40 = 19,390,233.60 : x
  2. Step 2: Convert to fraction form
    42,065,049.60/63,097,574.40 = 19,390,233.60/x
  3. Step 3: Cross multiply
    42,065,049.60x = 63,097,574.40 × 19,390,233.60
  4. Step 4: Simplify right side
    42,065,049.60x = 1,223,476,707,209,380
  5. Step 5: Solve for x
    x = 1,223,476,707,209,380/42,065,049.60
  6. Step 6: Final answer
    x = 29,085,350.40

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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.