Home / 52,497,596.76-78,750,178.80-20,149,499.40

Finding the Fourth Proportional to 52,497,596.76, 78,750,178.80 and 20,149,499.40

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Solution

The fourth proportional to 52,497,596.76, 78,750,178.80 and 20,149,499.40 is: 30,225,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497,596.76 : 78,750,178.80 = 20,149,499.40 : x
  2. Step 2: Convert to fraction form
    52,497,596.76/78,750,178.80 = 20,149,499.40/x
  3. Step 3: Cross multiply
    52,497,596.76x = 78,750,178.80 × 20,149,499.40
  4. Step 4: Simplify right side
    52,497,596.76x = 1,586,776,680,480,492.50
  5. Step 5: Solve for x
    x = 1,586,776,680,480,492.50/52,497,596.76
  6. Step 6: Final answer
    x = 30,225,701.34

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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.