Home / 159,445,399.17-220,034,649.05-86,106,541.17

Finding the Fourth Proportional to 159,445,399.17, 220,034,649.05 and 86,106,541.17

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Solution

The fourth proportional to 159,445,399.17, 220,034,649.05 and 86,106,541.17 is: 118,827,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,445,399.17 : 220,034,649.05 = 86,106,541.17 : x
  2. Step 2: Convert to fraction form
    159,445,399.17/220,034,649.05 = 86,106,541.17/x
  3. Step 3: Cross multiply
    159,445,399.17x = 220,034,649.05 × 86,106,541.17
  4. Step 4: Simplify right side
    159,445,399.17x = 18,946,422,567,465,592
  5. Step 5: Solve for x
    x = 18,946,422,567,465,592/159,445,399.17
  6. Step 6: Final answer
    x = 118,827,025.84

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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.