Home / 100,371,341.72-150,453,437.48-42,112,851.14

Finding the Fourth Proportional to 100,371,341.72, 150,453,437.48 and 42,112,851.14

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Solution

The fourth proportional to 100,371,341.72, 150,453,437.48 and 42,112,851.14 is: 63,125,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,371,341.72 : 150,453,437.48 = 42,112,851.14 : x
  2. Step 2: Convert to fraction form
    100,371,341.72/150,453,437.48 = 42,112,851.14/x
  3. Step 3: Cross multiply
    100,371,341.72x = 150,453,437.48 × 42,112,851.14
  4. Step 4: Simplify right side
    100,371,341.72x = 6,336,023,215,885,972
  5. Step 5: Solve for x
    x = 6,336,023,215,885,972/100,371,341.72
  6. Step 6: Final answer
    x = 63,125,819.65

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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.