Home / 143,140,920.60-214,823,355.30-66,473,448.60

Finding the Fourth Proportional to 143,140,920.60, 214,823,355.30 and 66,473,448.60

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Solution

The fourth proportional to 143,140,920.60, 214,823,355.30 and 66,473,448.60 is: 99,762,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,140,920.60 : 214,823,355.30 = 66,473,448.60 : x
  2. Step 2: Convert to fraction form
    143,140,920.60/214,823,355.30 = 66,473,448.60/x
  3. Step 3: Cross multiply
    143,140,920.60x = 214,823,355.30 × 66,473,448.60
  4. Step 4: Simplify right side
    143,140,920.60x = 14,280,049,266,614,088
  5. Step 5: Solve for x
    x = 14,280,049,266,614,088/143,140,920.60
  6. Step 6: Final answer
    x = 99,762,172.88

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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.