Home / 103,589,223.40-155,446,043.10-42,998,631.40

Finding the Fourth Proportional to 103,589,223.40, 155,446,043.10 and 42,998,631.40

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Solution

The fourth proportional to 103,589,223.40, 155,446,043.10 and 42,998,631.40 is: 64,523,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,589,223.40 : 155,446,043.10 = 42,998,631.40 : x
  2. Step 2: Convert to fraction form
    103,589,223.40/155,446,043.10 = 42,998,631.40/x
  3. Step 3: Cross multiply
    103,589,223.40x = 155,446,043.10 × 42,998,631.40
  4. Step 4: Simplify right side
    103,589,223.40x = 6,683,967,109,845,413
  5. Step 5: Solve for x
    x = 6,683,967,109,845,413/103,589,223.40
  6. Step 6: Final answer
    x = 64,523,768.89

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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.