Home / 77,478,935.49-106,925,766.66-42,671,616.71

Finding the Fourth Proportional to 77,478,935.49, 106,925,766.66 and 42,671,616.71

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Solution

The fourth proportional to 77,478,935.49, 106,925,766.66 and 42,671,616.71 is: 58,889,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,478,935.49 : 106,925,766.66 = 42,671,616.71 : x
  2. Step 2: Convert to fraction form
    77,478,935.49/106,925,766.66 = 42,671,616.71/x
  3. Step 3: Cross multiply
    77,478,935.49x = 106,925,766.66 × 42,671,616.71
  4. Step 4: Simplify right side
    77,478,935.49x = 4,562,695,331,338,417
  5. Step 5: Solve for x
    x = 4,562,695,331,338,417/77,478,935.49
  6. Step 6: Final answer
    x = 58,889,494.32

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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.