Home / 72,968,496,815.88-100,700,674,969.64-40,853,578,006.34

Finding the Fourth Proportional to 72,968,496,815.88, 100,700,674,969.64 and 40,853,578,006.34

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Solution

The fourth proportional to 72,968,496,815.88, 100,700,674,969.64 and 40,853,578,006.34 is: 56,380,260,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,968,496,815.88 : 100,700,674,969.64 = 40,853,578,006.34 : x
  2. Step 2: Convert to fraction form
    72,968,496,815.88/100,700,674,969.64 = 40,853,578,006.34/x
  3. Step 3: Cross multiply
    72,968,496,815.88x = 100,700,674,969.64 × 40,853,578,006.34
  4. Step 4: Simplify right side
    72,968,496,815.88x = 4,113,982,880,163,277,307,904
  5. Step 5: Solve for x
    x = 4,113,982,880,163,277,307,904/72,968,496,815.88
  6. Step 6: Final answer
    x = 56,380,260,793.15

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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.