Home / 130,120,809.40-195,181,214.10-71,670,172.60

Finding the Fourth Proportional to 130,120,809.40, 195,181,214.10 and 71,670,172.60

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Solution

The fourth proportional to 130,120,809.40, 195,181,214.10 and 71,670,172.60 is: 107,505,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,120,809.40 : 195,181,214.10 = 71,670,172.60 : x
  2. Step 2: Convert to fraction form
    130,120,809.40/195,181,214.10 = 71,670,172.60/x
  3. Step 3: Cross multiply
    130,120,809.40x = 195,181,214.10 × 71,670,172.60
  4. Step 4: Simplify right side
    130,120,809.40x = 13,988,671,302,824,552
  5. Step 5: Solve for x
    x = 13,988,671,302,824,552/130,120,809.40
  6. Step 6: Final answer
    x = 107,505,258.90

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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.