Home / 82,988,473.86-114,417,639.10-68,048,754.28

Finding the Fourth Proportional to 82,988,473.86, 114,417,639.10 and 68,048,754.28

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Solution

The fourth proportional to 82,988,473.86, 114,417,639.10 and 68,048,754.28 is: 93,819,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,988,473.86 : 114,417,639.10 = 68,048,754.28 : x
  2. Step 2: Convert to fraction form
    82,988,473.86/114,417,639.10 = 68,048,754.28/x
  3. Step 3: Cross multiply
    82,988,473.86x = 114,417,639.10 × 68,048,754.28
  4. Step 4: Simplify right side
    82,988,473.86x = 7,785,977,807,829,524
  5. Step 5: Solve for x
    x = 7,785,977,807,829,524/82,988,473.86
  6. Step 6: Final answer
    x = 93,819,990.24

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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.