Home / 157,113,865.60-216,823,860.96-87,499,246.40

Finding the Fourth Proportional to 157,113,865.60, 216,823,860.96 and 87,499,246.40

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Solution

The fourth proportional to 157,113,865.60, 216,823,860.96 and 87,499,246.40 is: 120,752,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,113,865.60 : 216,823,860.96 = 87,499,246.40 : x
  2. Step 2: Convert to fraction form
    157,113,865.60/216,823,860.96 = 87,499,246.40/x
  3. Step 3: Cross multiply
    157,113,865.60x = 216,823,860.96 × 87,499,246.40
  4. Step 4: Simplify right side
    157,113,865.60x = 18,971,924,435,538,384
  5. Step 5: Solve for x
    x = 18,971,924,435,538,384/157,113,865.60
  6. Step 6: Final answer
    x = 120,752,706.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.