Home / 159,445,532.40-220,034,840.28-86,106,674.40

Finding the Fourth Proportional to 159,445,532.40, 220,034,840.28 and 86,106,674.40

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Solution

The fourth proportional to 159,445,532.40, 220,034,840.28 and 86,106,674.40 is: 118,827,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,445,532.40 : 220,034,840.28 = 86,106,674.40 : x
  2. Step 2: Convert to fraction form
    159,445,532.40/220,034,840.28 = 86,106,674.40/x
  3. Step 3: Cross multiply
    159,445,532.40x = 220,034,840.28 × 86,106,674.40
  4. Step 4: Simplify right side
    159,445,532.40x = 18,946,468,348,645,968
  5. Step 5: Solve for x
    x = 18,946,468,348,645,968/159,445,532.40
  6. Step 6: Final answer
    x = 118,827,213.68

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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.