Home / 68,178,071.66-101,893,533.86-49,772,775.48

Finding the Fourth Proportional to 68,178,071.66, 101,893,533.86 and 49,772,775.48

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Solution

The fourth proportional to 68,178,071.66, 101,893,533.86 and 49,772,775.48 is: 74,386,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,178,071.66 : 101,893,533.86 = 49,772,775.48 : x
  2. Step 2: Convert to fraction form
    68,178,071.66/101,893,533.86 = 49,772,775.48/x
  3. Step 3: Cross multiply
    68,178,071.66x = 101,893,533.86 × 49,772,775.48
  4. Step 4: Simplify right side
    68,178,071.66x = 5,071,523,983,677,557
  5. Step 5: Solve for x
    x = 5,071,523,983,677,557/68,178,071.66
  6. Step 6: Final answer
    x = 74,386,439.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.