Home / 72,286,145,777.01-99,753,539,174.32-39,732,663,503.43

Finding the Fourth Proportional to 72,286,145,777.01, 99,753,539,174.32 and 39,732,663,503.43

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Solution

The fourth proportional to 72,286,145,777.01, 99,753,539,174.32 and 39,732,663,503.43 is: 54,830,337,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,286,145,777.01 : 99,753,539,174.32 = 39,732,663,503.43 : x
  2. Step 2: Convert to fraction form
    72,286,145,777.01/99,753,539,174.32 = 39,732,663,503.43/x
  3. Step 3: Cross multiply
    72,286,145,777.01x = 99,753,539,174.32 × 39,732,663,503.43
  4. Step 4: Simplify right side
    72,286,145,777.01x = 3,963,473,805,289,479,208,960
  5. Step 5: Solve for x
    x = 3,963,473,805,289,479,208,960/72,286,145,777.01
  6. Step 6: Final answer
    x = 54,830,337,994.73

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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.