Home / 266,779,681.52-368,194,625.52-153,727,178.90

Finding the Fourth Proportional to 266,779,681.52, 368,194,625.52 and 153,727,178.90

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Solution

The fourth proportional to 266,779,681.52, 368,194,625.52 and 153,727,178.90 is: 212,165,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,779,681.52 : 368,194,625.52 = 153,727,178.90 : x
  2. Step 2: Convert to fraction form
    266,779,681.52/368,194,625.52 = 153,727,178.90/x
  3. Step 3: Cross multiply
    266,779,681.52x = 368,194,625.52 × 153,727,178.90
  4. Step 4: Simplify right side
    266,779,681.52x = 56,601,521,067,331,544
  5. Step 5: Solve for x
    x = 56,601,521,067,331,544/266,779,681.52
  6. Step 6: Final answer
    x = 212,165,786.93

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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.