Home / 149,014,017.40-223,776,078.90-80,989,569.40

Finding the Fourth Proportional to 149,014,017.40, 223,776,078.90 and 80,989,569.40

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Solution

The fourth proportional to 149,014,017.40, 223,776,078.90 and 80,989,569.40 is: 121,622,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,014,017.40 : 223,776,078.90 = 80,989,569.40 : x
  2. Step 2: Convert to fraction form
    149,014,017.40/223,776,078.90 = 80,989,569.40/x
  3. Step 3: Cross multiply
    149,014,017.40x = 223,776,078.90 × 80,989,569.40
  4. Step 4: Simplify right side
    149,014,017.40x = 18,123,528,272,131,428
  5. Step 5: Solve for x
    x = 18,123,528,272,131,428/149,014,017.40
  6. Step 6: Final answer
    x = 121,622,976.07

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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.