Home / 145,152,238.80-217,476,415.80-136,082,312.40

Finding the Fourth Proportional to 145,152,238.80, 217,476,415.80 and 136,082,312.40

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Solution

The fourth proportional to 145,152,238.80, 217,476,415.80 and 136,082,312.40 is: 203,887,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,238.80 : 217,476,415.80 = 136,082,312.40 : x
  2. Step 2: Convert to fraction form
    145,152,238.80/217,476,415.80 = 136,082,312.40/x
  3. Step 3: Cross multiply
    145,152,238.80x = 217,476,415.80 × 136,082,312.40
  4. Step 4: Simplify right side
    145,152,238.80x = 29,594,693,554,527,900
  5. Step 5: Solve for x
    x = 29,594,693,554,527,900/145,152,238.80
  6. Step 6: Final answer
    x = 203,887,268.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.