Home / 74,048,179.69-102,137,284.51-47,619,946.81

Finding the Fourth Proportional to 74,048,179.69, 102,137,284.51 and 47,619,946.81

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Solution

The fourth proportional to 74,048,179.69, 102,137,284.51 and 47,619,946.81 is: 65,683,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048,179.69 : 102,137,284.51 = 47,619,946.81 : x
  2. Step 2: Convert to fraction form
    74,048,179.69/102,137,284.51 = 47,619,946.81/x
  3. Step 3: Cross multiply
    74,048,179.69x = 102,137,284.51 × 47,619,946.81
  4. Step 4: Simplify right side
    74,048,179.69x = 4,863,772,055,684,037
  5. Step 5: Solve for x
    x = 4,863,772,055,684,037/74,048,179.69
  6. Step 6: Final answer
    x = 65,683,884.14

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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.