Home / 68,157,309,968.10-102,235,964,952.15-45,841,889,801.70

Finding the Fourth Proportional to 68,157,309,968.10, 102,235,964,952.15 and 45,841,889,801.70

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Solution

The fourth proportional to 68,157,309,968.10, 102,235,964,952.15 and 45,841,889,801.70 is: 68,762,834,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,157,309,968.10 : 102,235,964,952.15 = 45,841,889,801.70 : x
  2. Step 2: Convert to fraction form
    68,157,309,968.10/102,235,964,952.15 = 45,841,889,801.70/x
  3. Step 3: Cross multiply
    68,157,309,968.10x = 102,235,964,952.15 × 45,841,889,801.70
  4. Step 4: Simplify right side
    68,157,309,968.10x = 4,686,689,839,106,922,905,600
  5. Step 5: Solve for x
    x = 4,686,689,839,106,922,905,600/68,157,309,968.10
  6. Step 6: Final answer
    x = 68,762,834,702.55

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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.