Home / 209,953,856.20-314,818,809.90-88,648,256.20

Finding the Fourth Proportional to 209,953,856.20, 314,818,809.90 and 88,648,256.20

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Solution

The fourth proportional to 209,953,856.20, 314,818,809.90 and 88,648,256.20 is: 132,925,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,856.20 : 314,818,809.90 = 88,648,256.20 : x
  2. Step 2: Convert to fraction form
    209,953,856.20/314,818,809.90 = 88,648,256.20/x
  3. Step 3: Cross multiply
    209,953,856.20x = 314,818,809.90 × 88,648,256.20
  4. Step 4: Simplify right side
    209,953,856.20x = 27,908,138,516,594,296
  5. Step 5: Solve for x
    x = 27,908,138,516,594,296/209,953,856.20
  6. Step 6: Final answer
    x = 132,925,105.65

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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.