Home / 117,264,036.39-161,827,348.41-64,340,730.03

Finding the Fourth Proportional to 117,264,036.39, 161,827,348.41 and 64,340,730.03

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Solution

The fourth proportional to 117,264,036.39, 161,827,348.41 and 64,340,730.03 is: 88,791,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,264,036.39 : 161,827,348.41 = 64,340,730.03 : x
  2. Step 2: Convert to fraction form
    117,264,036.39/161,827,348.41 = 64,340,730.03/x
  3. Step 3: Cross multiply
    117,264,036.39x = 161,827,348.41 × 64,340,730.03
  4. Step 4: Simplify right side
    117,264,036.39x = 10,412,089,735,518,560
  5. Step 5: Solve for x
    x = 10,412,089,735,518,560/117,264,036.39
  6. Step 6: Final answer
    x = 88,791,841.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.