Home / 52,152,100.80-78,228,151.20-38,547,211.20

Finding the Fourth Proportional to 52,152,100.80, 78,228,151.20 and 38,547,211.20

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Solution

The fourth proportional to 52,152,100.80, 78,228,151.20 and 38,547,211.20 is: 57,820,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152,100.80 : 78,228,151.20 = 38,547,211.20 : x
  2. Step 2: Convert to fraction form
    52,152,100.80/78,228,151.20 = 38,547,211.20/x
  3. Step 3: Cross multiply
    52,152,100.80x = 78,228,151.20 × 38,547,211.20
  4. Step 4: Simplify right side
    52,152,100.80x = 3,015,477,066,091,934
  5. Step 5: Solve for x
    x = 3,015,477,066,091,934/52,152,100.80
  6. Step 6: Final answer
    x = 57,820,816.80

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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.