Home / 157,680,095.60-236,520,143.40-42,682,386.80

Finding the Fourth Proportional to 157,680,095.60, 236,520,143.40 and 42,682,386.80

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Solution

The fourth proportional to 157,680,095.60, 236,520,143.40 and 42,682,386.80 is: 64,023,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,680,095.60 : 236,520,143.40 = 42,682,386.80 : x
  2. Step 2: Convert to fraction form
    157,680,095.60/236,520,143.40 = 42,682,386.80/x
  3. Step 3: Cross multiply
    157,680,095.60x = 236,520,143.40 × 42,682,386.80
  4. Step 4: Simplify right side
    157,680,095.60x = 10,095,244,246,590,266
  5. Step 5: Solve for x
    x = 10,095,244,246,590,266/157,680,095.60
  6. Step 6: Final answer
    x = 64,023,580.20

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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.