Home / 254,641,087,320.08-351,405,792,989.88-138,900,369,223.18

Finding the Fourth Proportional to 254,641,087,320.08, 351,405,792,989.88 and 138,900,369,223.18

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Solution

The fourth proportional to 254,641,087,320.08, 351,405,792,989.88 and 138,900,369,223.18 is: 191,683,105,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,641,087,320.08 : 351,405,792,989.88 = 138,900,369,223.18 : x
  2. Step 2: Convert to fraction form
    254,641,087,320.08/351,405,792,989.88 = 138,900,369,223.18/x
  3. Step 3: Cross multiply
    254,641,087,320.08x = 351,405,792,989.88 × 138,900,369,223.18
  4. Step 4: Simplify right side
    254,641,087,320.08x = 48,810,394,393,458,692,325,376
  5. Step 5: Solve for x
    x = 48,810,394,393,458,692,325,376/254,641,087,320.08
  6. Step 6: Final answer
    x = 191,683,105,453.07

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1.5x scale

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.