Home / 201,657,084.94-278,295,332.85-112,348,949.77

Finding the Fourth Proportional to 201,657,084.94, 278,295,332.85 and 112,348,949.77

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Solution

The fourth proportional to 201,657,084.94, 278,295,332.85 and 112,348,949.77 is: 155,046,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,657,084.94 : 278,295,332.85 = 112,348,949.77 : x
  2. Step 2: Convert to fraction form
    201,657,084.94/278,295,332.85 = 112,348,949.77/x
  3. Step 3: Cross multiply
    201,657,084.94x = 278,295,332.85 × 112,348,949.77
  4. Step 4: Simplify right side
    201,657,084.94x = 31,266,188,371,937,952
  5. Step 5: Solve for x
    x = 31,266,188,371,937,952/201,657,084.94
  6. Step 6: Final answer
    x = 155,046,317.27

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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.