Home / 315,561,787.95-435,466,913.90-176,333,693.79

Finding the Fourth Proportional to 315,561,787.95, 435,466,913.90 and 176,333,693.79

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Solution

The fourth proportional to 315,561,787.95, 435,466,913.90 and 176,333,693.79 is: 243,335,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,561,787.95 : 435,466,913.90 = 176,333,693.79 : x
  2. Step 2: Convert to fraction form
    315,561,787.95/435,466,913.90 = 176,333,693.79/x
  3. Step 3: Cross multiply
    315,561,787.95x = 435,466,913.90 × 176,333,693.79
  4. Step 4: Simplify right side
    315,561,787.95x = 76,787,489,450,437,216
  5. Step 5: Solve for x
    x = 76,787,489,450,437,216/315,561,787.95
  6. Step 6: Final answer
    x = 243,335,829.57

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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.