Home / 99,852,564.20-149,795,435.10-39,270,266.60

Finding the Fourth Proportional to 99,852,564.20, 149,795,435.10 and 39,270,266.60

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Solution

The fourth proportional to 99,852,564.20, 149,795,435.10 and 39,270,266.60 is: 58,911,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,852,564.20 : 149,795,435.10 = 39,270,266.60 : x
  2. Step 2: Convert to fraction form
    99,852,564.20/149,795,435.10 = 39,270,266.60/x
  3. Step 3: Cross multiply
    99,852,564.20x = 149,795,435.10 × 39,270,266.60
  4. Step 4: Simplify right side
    99,852,564.20x = 5,882,506,671,839,998
  5. Step 5: Solve for x
    x = 5,882,506,671,839,998/99,852,564.20
  6. Step 6: Final answer
    x = 58,911,923.98

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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.