Home / 315,521,527.20-473,282,290.80-145,652,215.20

Finding the Fourth Proportional to 315,521,527.20, 473,282,290.80 and 145,652,215.20

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Solution

The fourth proportional to 315,521,527.20, 473,282,290.80 and 145,652,215.20 is: 218,478,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,521,527.20 : 473,282,290.80 = 145,652,215.20 : x
  2. Step 2: Convert to fraction form
    315,521,527.20/473,282,290.80 = 145,652,215.20/x
  3. Step 3: Cross multiply
    315,521,527.20x = 473,282,290.80 × 145,652,215.20
  4. Step 4: Simplify right side
    315,521,527.20x = 68,934,614,069,950,576
  5. Step 5: Solve for x
    x = 68,934,614,069,950,576/315,521,527.20
  6. Step 6: Final answer
    x = 218,478,322.80

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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.