Home / 99,839,885.40-149,759,828.10-56,692,416.60

Finding the Fourth Proportional to 99,839,885.40, 149,759,828.10 and 56,692,416.60

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Solution

The fourth proportional to 99,839,885.40, 149,759,828.10 and 56,692,416.60 is: 85,038,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,839,885.40 : 149,759,828.10 = 56,692,416.60 : x
  2. Step 2: Convert to fraction form
    99,839,885.40/149,759,828.10 = 56,692,416.60/x
  3. Step 3: Cross multiply
    99,839,885.40x = 149,759,828.10 × 56,692,416.60
  4. Step 4: Simplify right side
    99,839,885.40x = 8,490,246,564,589,586
  5. Step 5: Solve for x
    x = 8,490,246,564,589,586/99,839,885.40
  6. Step 6: Final answer
    x = 85,038,624.90

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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.