Home / 84,685,875.84-116,823,419.64-55,334,367

Finding the Fourth Proportional to 84,685,875.84, 116,823,419.64 and 55,334,367

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Solution

The fourth proportional to 84,685,875.84, 116,823,419.64 and 55,334,367 is: 76,333,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685,875.84 : 116,823,419.64 = 55,334,367 : x
  2. Step 2: Convert to fraction form
    84,685,875.84/116,823,419.64 = 55,334,367/x
  3. Step 3: Cross multiply
    84,685,875.84x = 116,823,419.64 × 55,334,367
  4. Step 4: Simplify right side
    84,685,875.84x = 6,464,349,976,554,768
  5. Step 5: Solve for x
    x = 6,464,349,976,554,768/84,685,875.84
  6. Step 6: Final answer
    x = 76,333,271.78

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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.