Home / 52,151,722.60-78,196,479.90-31,971,447.40

Finding the Fourth Proportional to 52,151,722.60, 78,196,479.90 and 31,971,447.40

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Solution

The fourth proportional to 52,151,722.60, 78,196,479.90 and 31,971,447.40 is: 47,938,102.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,151,722.60 : 78,196,479.90 = 31,971,447.40 : x
  2. Step 2: Convert to fraction form
    52,151,722.60/78,196,479.90 = 31,971,447.40/x
  3. Step 3: Cross multiply
    52,151,722.60x = 78,196,479.90 × 31,971,447.40
  4. Step 4: Simplify right side
    52,151,722.60x = 2,500,054,643,988,007.50
  5. Step 5: Solve for x
    x = 2,500,054,643,988,007.50/52,151,722.60
  6. Step 6: Final answer
    x = 47,938,102.89

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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.