Home / 216,704,840.66-299,037,957.78-118,925,995.22

Finding the Fourth Proportional to 216,704,840.66, 299,037,957.78 and 118,925,995.22

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Solution

The fourth proportional to 216,704,840.66, 299,037,957.78 and 118,925,995.22 is: 164,109,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,704,840.66 : 299,037,957.78 = 118,925,995.22 : x
  2. Step 2: Convert to fraction form
    216,704,840.66/299,037,957.78 = 118,925,995.22/x
  3. Step 3: Cross multiply
    216,704,840.66x = 299,037,957.78 × 118,925,995.22
  4. Step 4: Simplify right side
    216,704,840.66x = 35,563,386,737,542,840
  5. Step 5: Solve for x
    x = 35,563,386,737,542,840/216,704,840.66
  6. Step 6: Final answer
    x = 164,109,793.90

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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.