Home / 210,541,906.65-290,528,332.90-116,454,028.55

Finding the Fourth Proportional to 210,541,906.65, 290,528,332.90 and 116,454,028.55

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Solution

The fourth proportional to 210,541,906.65, 290,528,332.90 and 116,454,028.55 is: 160,695,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,541,906.65 : 290,528,332.90 = 116,454,028.55 : x
  2. Step 2: Convert to fraction form
    210,541,906.65/290,528,332.90 = 116,454,028.55/x
  3. Step 3: Cross multiply
    210,541,906.65x = 290,528,332.90 × 116,454,028.55
  4. Step 4: Simplify right side
    210,541,906.65x = 33,833,194,774,120,500
  5. Step 5: Solve for x
    x = 33,833,194,774,120,500/210,541,906.65
  6. Step 6: Final answer
    x = 160,695,774.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.