Home / 77,478,936.12-106,925,767.52-42,671,617.33

Finding the Fourth Proportional to 77,478,936.12, 106,925,767.52 and 42,671,617.33

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Solution

The fourth proportional to 77,478,936.12, 106,925,767.52 and 42,671,617.33 is: 58,889,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,478,936.12 : 106,925,767.52 = 42,671,617.33 : x
  2. Step 2: Convert to fraction form
    77,478,936.12/106,925,767.52 = 42,671,617.33/x
  3. Step 3: Cross multiply
    77,478,936.12x = 106,925,767.52 × 42,671,617.33
  4. Step 4: Simplify right side
    77,478,936.12x = 4,562,695,434,329,983
  5. Step 5: Solve for x
    x = 4,562,695,434,329,983/77,478,936.12
  6. Step 6: Final answer
    x = 58,889,495.17

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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.