Home / 148,936,006.40-223,404,009.60-72,408,502.40

Finding the Fourth Proportional to 148,936,006.40, 223,404,009.60 and 72,408,502.40

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Solution

The fourth proportional to 148,936,006.40, 223,404,009.60 and 72,408,502.40 is: 108,612,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,936,006.40 : 223,404,009.60 = 72,408,502.40 : x
  2. Step 2: Convert to fraction form
    148,936,006.40/223,404,009.60 = 72,408,502.40/x
  3. Step 3: Cross multiply
    148,936,006.40x = 223,404,009.60 × 72,408,502.40
  4. Step 4: Simplify right side
    148,936,006.40x = 16,176,349,765,291,224
  5. Step 5: Solve for x
    x = 16,176,349,765,291,224/148,936,006.40
  6. Step 6: Final answer
    x = 108,612,753.60

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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.