Home / 142,430,037.62-213,615,162.51-40,170,160.40

Finding the Fourth Proportional to 142,430,037.62, 213,615,162.51 and 40,170,160.40

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Solution

The fourth proportional to 142,430,037.62, 213,615,162.51 and 40,170,160.40 is: 60,246,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,430,037.62 : 213,615,162.51 = 40,170,160.40 : x
  2. Step 2: Convert to fraction form
    142,430,037.62/213,615,162.51 = 40,170,160.40/x
  3. Step 3: Cross multiply
    142,430,037.62x = 213,615,162.51 × 40,170,160.40
  4. Step 4: Simplify right side
    142,430,037.62x = 8,580,955,340,680,053
  5. Step 5: Solve for x
    x = 8,580,955,340,680,053/142,430,037.62
  6. Step 6: Final answer
    x = 60,246,809.48

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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.