Home / 99,811,794.60-149,773,679.10-42,294,277.80

Finding the Fourth Proportional to 99,811,794.60, 149,773,679.10 and 42,294,277.80

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Solution

The fourth proportional to 99,811,794.60, 149,773,679.10 and 42,294,277.80 is: 63,465,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,811,794.60 : 149,773,679.10 = 42,294,277.80 : x
  2. Step 2: Convert to fraction form
    99,811,794.60/149,773,679.10 = 42,294,277.80/x
  3. Step 3: Cross multiply
    99,811,794.60x = 149,773,679.10 × 42,294,277.80
  4. Step 4: Simplify right side
    99,811,794.60x = 6,334,569,590,983,453
  5. Step 5: Solve for x
    x = 6,334,569,590,983,453/99,811,794.60
  6. Step 6: Final answer
    x = 63,465,140.73

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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.