Home / 99,702,398.40-149,441,623.20-42,184,881.60

Finding the Fourth Proportional to 99,702,398.40, 149,441,623.20 and 42,184,881.60

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Solution

The fourth proportional to 99,702,398.40, 149,441,623.20 and 42,184,881.60 is: 63,229,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,702,398.40 : 149,441,623.20 = 42,184,881.60 : x
  2. Step 2: Convert to fraction form
    99,702,398.40/149,441,623.20 = 42,184,881.60/x
  3. Step 3: Cross multiply
    99,702,398.40x = 149,441,623.20 × 42,184,881.60
  4. Step 4: Simplify right side
    99,702,398.40x = 6,304,177,180,803,813
  5. Step 5: Solve for x
    x = 6,304,177,180,803,813/99,702,398.40
  6. Step 6: Final answer
    x = 63,229,945.14

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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.