Home / 56,133,639.60-84,200,459.40-55,377,812.40

Finding the Fourth Proportional to 56,133,639.60, 84,200,459.40 and 55,377,812.40

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Solution

The fourth proportional to 56,133,639.60, 84,200,459.40 and 55,377,812.40 is: 83,066,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133,639.60 : 84,200,459.40 = 55,377,812.40 : x
  2. Step 2: Convert to fraction form
    56,133,639.60/84,200,459.40 = 55,377,812.40/x
  3. Step 3: Cross multiply
    56,133,639.60x = 84,200,459.40 × 55,377,812.40
  4. Step 4: Simplify right side
    56,133,639.60x = 4,662,837,244,647,017
  5. Step 5: Solve for x
    x = 4,662,837,244,647,017/56,133,639.60
  6. Step 6: Final answer
    x = 83,066,718.60

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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.