Home / 290,027,098.40-435,040,647.60-167,415,130.40

Finding the Fourth Proportional to 290,027,098.40, 435,040,647.60 and 167,415,130.40

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Solution

The fourth proportional to 290,027,098.40, 435,040,647.60 and 167,415,130.40 is: 251,122,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,027,098.40 : 435,040,647.60 = 167,415,130.40 : x
  2. Step 2: Convert to fraction form
    290,027,098.40/435,040,647.60 = 167,415,130.40/x
  3. Step 3: Cross multiply
    290,027,098.40x = 435,040,647.60 × 167,415,130.40
  4. Step 4: Simplify right side
    290,027,098.40x = 72,832,386,747,254,448
  5. Step 5: Solve for x
    x = 72,832,386,747,254,448/290,027,098.40
  6. Step 6: Final answer
    x = 251,122,695.60

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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.