Home / 52,152,066.60-78,196,995.90-31,971,791.40

Finding the Fourth Proportional to 52,152,066.60, 78,196,995.90 and 31,971,791.40

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Solution

The fourth proportional to 52,152,066.60, 78,196,995.90 and 31,971,791.40 is: 47,938,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152,066.60 : 78,196,995.90 = 31,971,791.40 : x
  2. Step 2: Convert to fraction form
    52,152,066.60/78,196,995.90 = 31,971,791.40/x
  3. Step 3: Cross multiply
    52,152,066.60x = 78,196,995.90 × 31,971,791.40
  4. Step 4: Simplify right side
    52,152,066.60x = 2,500,098,041,021,455.50
  5. Step 5: Solve for x
    x = 2,500,098,041,021,455.50/52,152,066.60
  6. Step 6: Final answer
    x = 47,938,618.81

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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.