Home / 142,430,037.50-213,615,162.32-40,170,160.28

Finding the Fourth Proportional to 142,430,037.50, 213,615,162.32 and 40,170,160.28

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Solution

The fourth proportional to 142,430,037.50, 213,615,162.32 and 40,170,160.28 is: 60,246,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,430,037.50 : 213,615,162.32 = 40,170,160.28 : x
  2. Step 2: Convert to fraction form
    142,430,037.50/213,615,162.32 = 40,170,160.28/x
  3. Step 3: Cross multiply
    142,430,037.50x = 213,615,162.32 × 40,170,160.28
  4. Step 4: Simplify right side
    142,430,037.50x = 8,580,955,307,363,690
  5. Step 5: Solve for x
    x = 8,580,955,307,363,690/142,430,037.50
  6. Step 6: Final answer
    x = 60,246,809.30

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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.