Home / 146,927,430.40-220,391,145.60-66,305,862.40

Finding the Fourth Proportional to 146,927,430.40, 220,391,145.60 and 66,305,862.40

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Solution

The fourth proportional to 146,927,430.40, 220,391,145.60 and 66,305,862.40 is: 99,458,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,927,430.40 : 220,391,145.60 = 66,305,862.40 : x
  2. Step 2: Convert to fraction form
    146,927,430.40/220,391,145.60 = 66,305,862.40/x
  3. Step 3: Cross multiply
    146,927,430.40x = 220,391,145.60 × 66,305,862.40
  4. Step 4: Simplify right side
    146,927,430.40x = 14,613,224,974,331,964
  5. Step 5: Solve for x
    x = 14,613,224,974,331,964/146,927,430.40
  6. Step 6: Final answer
    x = 99,458,793.60

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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.