Home / 210,347,682.80-315,521,524.20-97,101,474.80

Finding the Fourth Proportional to 210,347,682.80, 315,521,524.20 and 97,101,474.80

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Solution

The fourth proportional to 210,347,682.80, 315,521,524.20 and 97,101,474.80 is: 145,652,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,347,682.80 : 315,521,524.20 = 97,101,474.80 : x
  2. Step 2: Convert to fraction form
    210,347,682.80/315,521,524.20 = 97,101,474.80/x
  3. Step 3: Cross multiply
    210,347,682.80x = 315,521,524.20 × 97,101,474.80
  4. Step 4: Simplify right side
    210,347,682.80x = 30,637,605,330,963,888
  5. Step 5: Solve for x
    x = 30,637,605,330,963,888/210,347,682.80
  6. Step 6: Final answer
    x = 145,652,212.20

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1.5x scale

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.