Home / 290,121,512.60-400,363,931.84-157,960,993.26

Finding the Fourth Proportional to 290,121,512.60, 400,363,931.84 and 157,960,993.26

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Solution

The fourth proportional to 290,121,512.60, 400,363,931.84 and 157,960,993.26 is: 217,984,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,121,512.60 : 400,363,931.84 = 157,960,993.26 : x
  2. Step 2: Convert to fraction form
    290,121,512.60/400,363,931.84 = 157,960,993.26/x
  3. Step 3: Cross multiply
    290,121,512.60x = 400,363,931.84 × 157,960,993.26
  4. Step 4: Simplify right side
    290,121,512.60x = 63,241,884,338,925,328
  5. Step 5: Solve for x
    x = 63,241,884,338,925,328/290,121,512.60
  6. Step 6: Final answer
    x = 217,984,125.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.