Home / 142,430,036.77-213,615,161.24-40,170,159.55

Finding the Fourth Proportional to 142,430,036.77, 213,615,161.24 and 40,170,159.55

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Solution

The fourth proportional to 142,430,036.77, 213,615,161.24 and 40,170,159.55 is: 60,246,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,430,036.77 : 213,615,161.24 = 40,170,159.55 : x
  2. Step 2: Convert to fraction form
    142,430,036.77/213,615,161.24 = 40,170,159.55/x
  3. Step 3: Cross multiply
    142,430,036.77x = 213,615,161.24 × 40,170,159.55
  4. Step 4: Simplify right side
    142,430,036.77x = 8,580,955,109,976,844
  5. Step 5: Solve for x
    x = 8,580,955,109,976,844/142,430,036.77
  6. Step 6: Final answer
    x = 60,246,808.22

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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.