Home / 260,464,490.34-390,399,543.51-104,918,767.81

Finding the Fourth Proportional to 260,464,490.34, 390,399,543.51 and 104,918,767.81

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Solution

The fourth proportional to 260,464,490.34, 390,399,543.51 and 104,918,767.81 is: 157,258,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,464,490.34 : 390,399,543.51 = 104,918,767.81 : x
  2. Step 2: Convert to fraction form
    260,464,490.34/390,399,543.51 = 104,918,767.81/x
  3. Step 3: Cross multiply
    260,464,490.34x = 390,399,543.51 × 104,918,767.81
  4. Step 4: Simplify right side
    260,464,490.34x = 40,960,239,058,655,680
  5. Step 5: Solve for x
    x = 40,960,239,058,655,680/260,464,490.34
  6. Step 6: Final answer
    x = 157,258,438.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.