Home / 67,919,270.40-101,878,905.60-19,397,030.40

Finding the Fourth Proportional to 67,919,270.40, 101,878,905.60 and 19,397,030.40

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Solution

The fourth proportional to 67,919,270.40, 101,878,905.60 and 19,397,030.40 is: 29,095,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,919,270.40 : 101,878,905.60 = 19,397,030.40 : x
  2. Step 2: Convert to fraction form
    67,919,270.40/101,878,905.60 = 19,397,030.40/x
  3. Step 3: Cross multiply
    67,919,270.40x = 101,878,905.60 × 19,397,030.40
  4. Step 4: Simplify right side
    67,919,270.40x = 1,976,148,229,041,930
  5. Step 5: Solve for x
    x = 1,976,148,229,041,930/67,919,270.40
  6. Step 6: Final answer
    x = 29,095,545.60

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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.