Home / 68,989,673.52-103,484,510.34-28,039,518.48

Finding the Fourth Proportional to 68,989,673.52, 103,484,510.34 and 28,039,518.48

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Solution

The fourth proportional to 68,989,673.52, 103,484,510.34 and 28,039,518.48 is: 42,059,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,989,673.52 : 103,484,510.34 = 28,039,518.48 : x
  2. Step 2: Convert to fraction form
    68,989,673.52/103,484,510.34 = 28,039,518.48/x
  3. Step 3: Cross multiply
    68,989,673.52x = 103,484,510.34 × 28,039,518.48
  4. Step 4: Simplify right side
    68,989,673.52x = 2,901,655,840,072,181
  5. Step 5: Solve for x
    x = 2,901,655,840,072,181/68,989,673.52
  6. Step 6: Final answer
    x = 42,059,277.74

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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.