Home / 307,681,862.72-424,600,775.69-168,452,587.58

Finding the Fourth Proportional to 307,681,862.72, 424,600,775.69 and 168,452,587.58

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Solution

The fourth proportional to 307,681,862.72, 424,600,775.69 and 168,452,587.58 is: 232,464,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,681,862.72 : 424,600,775.69 = 168,452,587.58 : x
  2. Step 2: Convert to fraction form
    307,681,862.72/424,600,775.69 = 168,452,587.58/x
  3. Step 3: Cross multiply
    307,681,862.72x = 424,600,775.69 × 168,452,587.58
  4. Step 4: Simplify right side
    307,681,862.72x = 71,525,099,350,490,392
  5. Step 5: Solve for x
    x = 71,525,099,350,490,392/307,681,862.72
  6. Step 6: Final answer
    x = 232,464,464.17

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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.