Home / 68,167,712,671.90-102,251,569,007.85-51,637,771,807.90

Finding the Fourth Proportional to 68,167,712,671.90, 102,251,569,007.85 and 51,637,771,807.90

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Solution

The fourth proportional to 68,167,712,671.90, 102,251,569,007.85 and 51,637,771,807.90 is: 77,456,657,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167,712,671.90 : 102,251,569,007.85 = 51,637,771,807.90 : x
  2. Step 2: Convert to fraction form
    68,167,712,671.90/102,251,569,007.85 = 51,637,771,807.90/x
  3. Step 3: Cross multiply
    68,167,712,671.90x = 102,251,569,007.85 × 51,637,771,807.90
  4. Step 4: Simplify right side
    68,167,712,671.90x = 5,280,043,187,427,099,017,216
  5. Step 5: Solve for x
    x = 5,280,043,187,427,099,017,216/68,167,712,671.90
  6. Step 6: Final answer
    x = 77,456,657,711.85

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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.