Home / 76,608,815.60-114,913,223.40-69,554,428.40

Finding the Fourth Proportional to 76,608,815.60, 114,913,223.40 and 69,554,428.40

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Solution

The fourth proportional to 76,608,815.60, 114,913,223.40 and 69,554,428.40 is: 104,331,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,608,815.60 : 114,913,223.40 = 69,554,428.40 : x
  2. Step 2: Convert to fraction form
    76,608,815.60/114,913,223.40 = 69,554,428.40/x
  3. Step 3: Cross multiply
    76,608,815.60x = 114,913,223.40 × 69,554,428.40
  4. Step 4: Simplify right side
    76,608,815.60x = 7,992,723,569,188,506
  5. Step 5: Solve for x
    x = 7,992,723,569,188,506/76,608,815.60
  6. Step 6: Final answer
    x = 104,331,642.60

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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.