Home / 154,858,554.56-213,709,210.65-84,298,715.24

Finding the Fourth Proportional to 154,858,554.56, 213,709,210.65 and 84,298,715.24

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Solution

The fourth proportional to 154,858,554.56, 213,709,210.65 and 84,298,715.24 is: 116,334,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,858,554.56 : 213,709,210.65 = 84,298,715.24 : x
  2. Step 2: Convert to fraction form
    154,858,554.56/213,709,210.65 = 84,298,715.24/x
  3. Step 3: Cross multiply
    154,858,554.56x = 213,709,210.65 × 84,298,715.24
  4. Step 4: Simplify right side
    154,858,554.56x = 18,015,411,891,680,980
  5. Step 5: Solve for x
    x = 18,015,411,891,680,980/154,858,554.56
  6. Step 6: Final answer
    x = 116,334,625.12

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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.