Home / 72,968,496,793.48-100,700,674,938.75-40,853,577,983.95

Finding the Fourth Proportional to 72,968,496,793.48, 100,700,674,938.75 and 40,853,577,983.95

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Solution

The fourth proportional to 72,968,496,793.48, 100,700,674,938.75 and 40,853,577,983.95 is: 56,380,260,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,968,496,793.48 : 100,700,674,938.75 = 40,853,577,983.95 : x
  2. Step 2: Convert to fraction form
    72,968,496,793.48/100,700,674,938.75 = 40,853,577,983.95/x
  3. Step 3: Cross multiply
    72,968,496,793.48x = 100,700,674,938.75 × 40,853,577,983.95
  4. Step 4: Simplify right side
    72,968,496,793.48x = 4,113,982,876,646,622,363,648
  5. Step 5: Solve for x
    x = 4,113,982,876,646,622,363,648/72,968,496,793.48
  6. Step 6: Final answer
    x = 56,380,260,762.26

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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.