Home / 85,366,065.12-117,820,056.24-50,578,341.60

Finding the Fourth Proportional to 85,366,065.12, 117,820,056.24 and 50,578,341.60

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Solution

The fourth proportional to 85,366,065.12, 117,820,056.24 and 50,578,341.60 is: 69,806,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,366,065.12 : 117,820,056.24 = 50,578,341.60 : x
  2. Step 2: Convert to fraction form
    85,366,065.12/117,820,056.24 = 50,578,341.60/x
  3. Step 3: Cross multiply
    85,366,065.12x = 117,820,056.24 × 50,578,341.60
  4. Step 4: Simplify right side
    85,366,065.12x = 5,959,143,051,837,931
  5. Step 5: Solve for x
    x = 5,959,143,051,837,931/85,366,065.12
  6. Step 6: Final answer
    x = 69,806,931.40

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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.