Home / 103,463,998.60-155,140,010.70-42,885,848.20

Finding the Fourth Proportional to 103,463,998.60, 155,140,010.70 and 42,885,848.20

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Solution

The fourth proportional to 103,463,998.60, 155,140,010.70 and 42,885,848.20 is: 64,305,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,463,998.60 : 155,140,010.70 = 42,885,848.20 : x
  2. Step 2: Convert to fraction form
    103,463,998.60/155,140,010.70 = 42,885,848.20/x
  3. Step 3: Cross multiply
    103,463,998.60x = 155,140,010.70 × 42,885,848.20
  4. Step 4: Simplify right side
    103,463,998.60x = 6,653,310,948,626,576
  5. Step 5: Solve for x
    x = 6,653,310,948,626,576/103,463,998.60
  6. Step 6: Final answer
    x = 64,305,565.59

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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.