Home / 47,155,123.90-70,770,010.65-18,415,027.90

Finding the Fourth Proportional to 47,155,123.90, 70,770,010.65 and 18,415,027.90

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Solution

The fourth proportional to 47,155,123.90, 70,770,010.65 and 18,415,027.90 is: 27,637,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155,123.90 : 70,770,010.65 = 18,415,027.90 : x
  2. Step 2: Convert to fraction form
    47,155,123.90/70,770,010.65 = 18,415,027.90/x
  3. Step 3: Cross multiply
    47,155,123.90x = 70,770,010.65 × 18,415,027.90
  4. Step 4: Simplify right side
    47,155,123.90x = 1,303,231,720,603,047.25
  5. Step 5: Solve for x
    x = 1,303,231,720,603,047.25/47,155,123.90
  6. Step 6: Final answer
    x = 27,637,117.94

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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.