Home / 91,844,986.30-137,578,522.65-46,432,368.70

Finding the Fourth Proportional to 91,844,986.30, 137,578,522.65 and 46,432,368.70

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Solution

The fourth proportional to 91,844,986.30, 137,578,522.65 and 46,432,368.70 is: 69,553,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,844,986.30 : 137,578,522.65 = 46,432,368.70 : x
  2. Step 2: Convert to fraction form
    91,844,986.30/137,578,522.65 = 46,432,368.70/x
  3. Step 3: Cross multiply
    91,844,986.30x = 137,578,522.65 × 46,432,368.70
  4. Step 4: Simplify right side
    91,844,986.30x = 6,388,096,688,886,102
  5. Step 5: Solve for x
    x = 6,388,096,688,886,102/91,844,986.30
  6. Step 6: Final answer
    x = 69,553,025.66

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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.