Home / 52,152,101.80-78,228,152.70-38,547,212.20

Finding the Fourth Proportional to 52,152,101.80, 78,228,152.70 and 38,547,212.20

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Solution

The fourth proportional to 52,152,101.80, 78,228,152.70 and 38,547,212.20 is: 57,820,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152,101.80 : 78,228,152.70 = 38,547,212.20 : x
  2. Step 2: Convert to fraction form
    52,152,101.80/78,228,152.70 = 38,547,212.20/x
  3. Step 3: Cross multiply
    52,152,101.80x = 78,228,152.70 × 38,547,212.20
  4. Step 4: Simplify right side
    52,152,101.80x = 3,015,477,202,140,903.50
  5. Step 5: Solve for x
    x = 3,015,477,202,140,903.50/52,152,101.80
  6. Step 6: Final answer
    x = 57,820,818.30

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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.