Home / 159,445,415.60-220,034,671.76-86,106,557.60

Finding the Fourth Proportional to 159,445,415.60, 220,034,671.76 and 86,106,557.60

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Solution

The fourth proportional to 159,445,415.60, 220,034,671.76 and 86,106,557.60 is: 118,827,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,445,415.60 : 220,034,671.76 = 86,106,557.60 : x
  2. Step 2: Convert to fraction form
    159,445,415.60/220,034,671.76 = 86,106,557.60/x
  3. Step 3: Cross multiply
    159,445,415.60x = 220,034,671.76 × 86,106,557.60
  4. Step 4: Simplify right side
    159,445,415.60x = 18,946,428,137,899,532
  5. Step 5: Solve for x
    x = 18,946,428,137,899,532/159,445,415.60
  6. Step 6: Final answer
    x = 118,827,048.53

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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.