Home / 68,072,055.84-93,908,548.26-40,175,840.52

Finding the Fourth Proportional to 68,072,055.84, 93,908,548.26 and 40,175,840.52

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Solution

The fourth proportional to 68,072,055.84, 93,908,548.26 and 40,175,840.52 is: 55,424,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,072,055.84 : 93,908,548.26 = 40,175,840.52 : x
  2. Step 2: Convert to fraction form
    68,072,055.84/93,908,548.26 = 40,175,840.52/x
  3. Step 3: Cross multiply
    68,072,055.84x = 93,908,548.26 × 40,175,840.52
  4. Step 4: Simplify right side
    68,072,055.84x = 3,772,854,858,358,484
  5. Step 5: Solve for x
    x = 3,772,854,858,358,484/68,072,055.84
  6. Step 6: Final answer
    x = 55,424,429.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.