Home / 115,492,240.08-173,238,360.12-38,815,268.40

Finding the Fourth Proportional to 115,492,240.08, 173,238,360.12 and 38,815,268.40

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Solution

The fourth proportional to 115,492,240.08, 173,238,360.12 and 38,815,268.40 is: 58,222,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,492,240.08 : 173,238,360.12 = 38,815,268.40 : x
  2. Step 2: Convert to fraction form
    115,492,240.08/173,238,360.12 = 38,815,268.40/x
  3. Step 3: Cross multiply
    115,492,240.08x = 173,238,360.12 × 38,815,268.40
  4. Step 4: Simplify right side
    115,492,240.08x = 6,724,293,445,233,656
  5. Step 5: Solve for x
    x = 6,724,293,445,233,656/115,492,240.08
  6. Step 6: Final answer
    x = 58,222,902.60

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1.5x scale

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.