Home / 68,989,723.02-103,484,584.56-28,039,567.98

Finding the Fourth Proportional to 68,989,723.02, 103,484,584.56 and 28,039,567.98

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Solution

The fourth proportional to 68,989,723.02, 103,484,584.56 and 28,039,567.98 is: 42,059,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,989,723.02 : 103,484,584.56 = 28,039,567.98 : x
  2. Step 2: Convert to fraction form
    68,989,723.02/103,484,584.56 = 28,039,567.98/x
  3. Step 3: Cross multiply
    68,989,723.02x = 103,484,584.56 × 28,039,567.98
  4. Step 4: Simplify right side
    68,989,723.02x = 2,901,663,043,652,178.50
  5. Step 5: Solve for x
    x = 2,901,663,043,652,178.50/68,989,723.02
  6. Step 6: Final answer
    x = 42,059,351.98

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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.