Home / 266,917,740.12-368,314,979.04-153,885,959.64

Finding the Fourth Proportional to 266,917,740.12, 368,314,979.04 and 153,885,959.64

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Solution

The fourth proportional to 266,917,740.12, 368,314,979.04 and 153,885,959.64 is: 212,344,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,917,740.12 : 368,314,979.04 = 153,885,959.64 : x
  2. Step 2: Convert to fraction form
    266,917,740.12/368,314,979.04 = 153,885,959.64/x
  3. Step 3: Cross multiply
    266,917,740.12x = 368,314,979.04 × 153,885,959.64
  4. Step 4: Simplify right side
    266,917,740.12x = 56,678,503,999,356,880
  5. Step 5: Solve for x
    x = 56,678,503,999,356,880/266,917,740.12
  6. Step 6: Final answer
    x = 212,344,462.28

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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.