Home / 147,986,455.40-221,979,683.10-145,435,538.60

Finding the Fourth Proportional to 147,986,455.40, 221,979,683.10 and 145,435,538.60

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Solution

The fourth proportional to 147,986,455.40, 221,979,683.10 and 145,435,538.60 is: 218,153,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,986,455.40 : 221,979,683.10 = 145,435,538.60 : x
  2. Step 2: Convert to fraction form
    147,986,455.40/221,979,683.10 = 145,435,538.60/x
  3. Step 3: Cross multiply
    147,986,455.40x = 221,979,683.10 × 145,435,538.60
  4. Step 4: Simplify right side
    147,986,455.40x = 32,283,734,769,905,816
  5. Step 5: Solve for x
    x = 32,283,734,769,905,816/147,986,455.40
  6. Step 6: Final answer
    x = 218,153,307.90

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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.