Home / 157,445,335.20-236,168,002.80-100,191,424.80

Finding the Fourth Proportional to 157,445,335.20, 236,168,002.80 and 100,191,424.80

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Solution

The fourth proportional to 157,445,335.20, 236,168,002.80 and 100,191,424.80 is: 150,287,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,445,335.20 : 236,168,002.80 = 100,191,424.80 : x
  2. Step 2: Convert to fraction form
    157,445,335.20/236,168,002.80 = 100,191,424.80/x
  3. Step 3: Cross multiply
    157,445,335.20x = 236,168,002.80 × 100,191,424.80
  4. Step 4: Simplify right side
    157,445,335.20x = 23,662,008,692,702,388
  5. Step 5: Solve for x
    x = 23,662,008,692,702,388/157,445,335.20
  6. Step 6: Final answer
    x = 150,287,137.20

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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.