Home / 142,128,530.60-213,192,795.90-131,924,863.40

Finding the Fourth Proportional to 142,128,530.60, 213,192,795.90 and 131,924,863.40

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Solution

The fourth proportional to 142,128,530.60, 213,192,795.90 and 131,924,863.40 is: 197,887,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,128,530.60 : 213,192,795.90 = 131,924,863.40 : x
  2. Step 2: Convert to fraction form
    142,128,530.60/213,192,795.90 = 131,924,863.40/x
  3. Step 3: Cross multiply
    142,128,530.60x = 213,192,795.90 × 131,924,863.40
  4. Step 4: Simplify right side
    142,128,530.60x = 28,125,430,476,971,584
  5. Step 5: Solve for x
    x = 28,125,430,476,971,584/142,128,530.60
  6. Step 6: Final answer
    x = 197,887,295.10

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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.