Home / 90,323,326.32-124,637,196.60-51,157,286.16

Finding the Fourth Proportional to 90,323,326.32, 124,637,196.60 and 51,157,286.16

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Solution

The fourth proportional to 90,323,326.32, 124,637,196.60 and 51,157,286.16 is: 70,591,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,323,326.32 : 124,637,196.60 = 51,157,286.16 : x
  2. Step 2: Convert to fraction form
    90,323,326.32/124,637,196.60 = 51,157,286.16/x
  3. Step 3: Cross multiply
    90,323,326.32x = 124,637,196.60 × 51,157,286.16
  4. Step 4: Simplify right side
    90,323,326.32x = 6,376,100,732,646,378
  5. Step 5: Solve for x
    x = 6,376,100,732,646,378/90,323,326.32
  6. Step 6: Final answer
    x = 70,591,961.04

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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.