Home / 293,565,913.40-440,348,870.10-89,093,660.60

Finding the Fourth Proportional to 293,565,913.40, 440,348,870.10 and 89,093,660.60

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Solution

The fourth proportional to 293,565,913.40, 440,348,870.10 and 89,093,660.60 is: 133,640,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,565,913.40 : 440,348,870.10 = 89,093,660.60 : x
  2. Step 2: Convert to fraction form
    293,565,913.40/440,348,870.10 = 89,093,660.60/x
  3. Step 3: Cross multiply
    293,565,913.40x = 440,348,870.10 × 89,093,660.60
  4. Step 4: Simplify right side
    293,565,913.40x = 39,232,292,778,282,888
  5. Step 5: Solve for x
    x = 39,232,292,778,282,888/293,565,913.40
  6. Step 6: Final answer
    x = 133,640,490.90

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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.