Home / 31,031,723,478.31-42,823,776,761.54-16,758,549,728.16

Finding the Fourth Proportional to 31,031,723,478.31, 42,823,776,761.54 and 16,758,549,728.16

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Solution

The fourth proportional to 31,031,723,478.31, 42,823,776,761.54 and 16,758,549,728.16 is: 23,126,797,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031,723,478.31 : 42,823,776,761.54 = 16,758,549,728.16 : x
  2. Step 2: Convert to fraction form
    31,031,723,478.31/42,823,776,761.54 = 16,758,549,728.16/x
  3. Step 3: Cross multiply
    31,031,723,478.31x = 42,823,776,761.54 × 16,758,549,728.16
  4. Step 4: Simplify right side
    31,031,723,478.31x = 717,664,392,405,829,156,864
  5. Step 5: Solve for x
    x = 717,664,392,405,829,156,864/31,031,723,478.31
  6. Step 6: Final answer
    x = 23,126,797,739.98

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1.5x scale

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.