Home / 142,430,054.54-213,615,187.86-40,170,177.32

Finding the Fourth Proportional to 142,430,054.54, 213,615,187.86 and 40,170,177.32

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Solution

The fourth proportional to 142,430,054.54, 213,615,187.86 and 40,170,177.32 is: 60,246,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,430,054.54 : 213,615,187.86 = 40,170,177.32 : x
  2. Step 2: Convert to fraction form
    142,430,054.54/213,615,187.86 = 40,170,177.32/x
  3. Step 3: Cross multiply
    142,430,054.54x = 213,615,187.86 × 40,170,177.32
  4. Step 4: Simplify right side
    142,430,054.54x = 8,580,959,974,581,312
  5. Step 5: Solve for x
    x = 8,580,959,974,581,312/142,430,054.54
  6. Step 6: Final answer
    x = 60,246,834.86

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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.