Home / 185,433,913.50-278,144,005.50-74,817,421.80

Finding the Fourth Proportional to 185,433,913.50, 278,144,005.50 and 74,817,421.80

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Solution

The fourth proportional to 185,433,913.50, 278,144,005.50 and 74,817,421.80 is: 112,223,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,433,913.50 : 278,144,005.50 = 74,817,421.80 : x
  2. Step 2: Convert to fraction form
    185,433,913.50/278,144,005.50 = 74,817,421.80/x
  3. Step 3: Cross multiply
    185,433,913.50x = 278,144,005.50 × 74,817,421.80
  4. Step 4: Simplify right side
    185,433,913.50x = 20,810,017,380,635,020
  5. Step 5: Solve for x
    x = 20,810,017,380,635,020/185,433,913.50
  6. Step 6: Final answer
    x = 112,223,362.96

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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.