Home / 215,921,444.04-297,661,679.99-153,934,165.80

Finding the Fourth Proportional to 215,921,444.04, 297,661,679.99 and 153,934,165.80

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Solution

The fourth proportional to 215,921,444.04, 297,661,679.99 and 153,934,165.80 is: 212,208,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,921,444.04 : 297,661,679.99 = 153,934,165.80 : x
  2. Step 2: Convert to fraction form
    215,921,444.04/297,661,679.99 = 153,934,165.80/x
  3. Step 3: Cross multiply
    215,921,444.04x = 297,661,679.99 × 153,934,165.80
  4. Step 4: Simplify right side
    215,921,444.04x = 45,820,302,399,694,784
  5. Step 5: Solve for x
    x = 45,820,302,399,694,784/215,921,444.04
  6. Step 6: Final answer
    x = 212,208,206.57

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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.