Home / 159,445,406.54-220,034,659.24-86,106,548.54

Finding the Fourth Proportional to 159,445,406.54, 220,034,659.24 and 86,106,548.54

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Solution

The fourth proportional to 159,445,406.54, 220,034,659.24 and 86,106,548.54 is: 118,827,036.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,445,406.54 : 220,034,659.24 = 86,106,548.54 : x
  2. Step 2: Convert to fraction form
    159,445,406.54/220,034,659.24 = 86,106,548.54/x
  3. Step 3: Cross multiply
    159,445,406.54x = 220,034,659.24 × 86,106,548.54
  4. Step 4: Simplify right side
    159,445,406.54x = 18,946,425,066,989,140
  5. Step 5: Solve for x
    x = 18,946,425,066,989,140/159,445,406.54
  6. Step 6: Final answer
    x = 118,827,036.02

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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.