Home / 148,939,538.80-223,409,308.20-103,023,036.40

Finding the Fourth Proportional to 148,939,538.80, 223,409,308.20 and 103,023,036.40

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Solution

The fourth proportional to 148,939,538.80, 223,409,308.20 and 103,023,036.40 is: 154,534,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,939,538.80 : 223,409,308.20 = 103,023,036.40 : x
  2. Step 2: Convert to fraction form
    148,939,538.80/223,409,308.20 = 103,023,036.40/x
  3. Step 3: Cross multiply
    148,939,538.80x = 223,409,308.20 × 103,023,036.40
  4. Step 4: Simplify right side
    148,939,538.80x = 23,016,305,290,787,420
  5. Step 5: Solve for x
    x = 23,016,305,290,787,420/148,939,538.80
  6. Step 6: Final answer
    x = 154,534,554.60

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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.