Home / 142,430,044.74-213,615,173.16-40,170,167.52

Finding the Fourth Proportional to 142,430,044.74, 213,615,173.16 and 40,170,167.52

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Solution

The fourth proportional to 142,430,044.74, 213,615,173.16 and 40,170,167.52 is: 60,246,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,430,044.74 : 213,615,173.16 = 40,170,167.52 : x
  2. Step 2: Convert to fraction form
    142,430,044.74/213,615,173.16 = 40,170,167.52/x
  3. Step 3: Cross multiply
    142,430,044.74x = 213,615,173.16 × 40,170,167.52
  4. Step 4: Simplify right side
    142,430,044.74x = 8,580,957,290,651,008
  5. Step 5: Solve for x
    x = 8,580,957,290,651,008/142,430,044.74
  6. Step 6: Final answer
    x = 60,246,820.16

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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.