Home / 155,391,999.40-233,087,999.10-83,728,383.40

Finding the Fourth Proportional to 155,391,999.40, 233,087,999.10 and 83,728,383.40

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Solution

The fourth proportional to 155,391,999.40, 233,087,999.10 and 83,728,383.40 is: 125,592,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,391,999.40 : 233,087,999.10 = 83,728,383.40 : x
  2. Step 2: Convert to fraction form
    155,391,999.40/233,087,999.10 = 83,728,383.40/x
  3. Step 3: Cross multiply
    155,391,999.40x = 233,087,999.10 × 83,728,383.40
  4. Step 4: Simplify right side
    155,391,999.40x = 19,516,081,354,583,656
  5. Step 5: Solve for x
    x = 19,516,081,354,583,656/155,391,999.40
  6. Step 6: Final answer
    x = 125,592,575.10

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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.