Home / 148,492,650.04-204,193,017.10-128,879,382.53

Finding the Fourth Proportional to 148,492,650.04, 204,193,017.10 and 128,879,382.53

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Solution

The fourth proportional to 148,492,650.04, 204,193,017.10 and 128,879,382.53 is: 177,222,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,492,650.04 : 204,193,017.10 = 128,879,382.53 : x
  2. Step 2: Convert to fraction form
    148,492,650.04/204,193,017.10 = 128,879,382.53/x
  3. Step 3: Cross multiply
    148,492,650.04x = 204,193,017.10 × 128,879,382.53
  4. Step 4: Simplify right side
    148,492,650.04x = 26,316,269,960,785,732
  5. Step 5: Solve for x
    x = 26,316,269,960,785,732/148,492,650.04
  6. Step 6: Final answer
    x = 177,222,710.71

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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.