Home / 159,445,463.94-220,034,738.52-86,106,605.94

Finding the Fourth Proportional to 159,445,463.94, 220,034,738.52 and 86,106,605.94

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Solution

The fourth proportional to 159,445,463.94, 220,034,738.52 and 86,106,605.94 is: 118,827,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,445,463.94 : 220,034,738.52 = 86,106,605.94 : x
  2. Step 2: Convert to fraction form
    159,445,463.94/220,034,738.52 = 86,106,605.94/x
  3. Step 3: Cross multiply
    159,445,463.94x = 220,034,738.52 × 86,106,605.94
  4. Step 4: Simplify right side
    159,445,463.94x = 18,946,444,522,852,580
  5. Step 5: Solve for x
    x = 18,946,444,522,852,580/159,445,463.94
  6. Step 6: Final answer
    x = 118,827,115.27

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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.