Home / 80,991,530,994.24-121,443,008,852.16-64,310,496,139.20

Finding the Fourth Proportional to 80,991,530,994.24, 121,443,008,852.16 and 64,310,496,139.20

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Solution

The fourth proportional to 80,991,530,994.24, 121,443,008,852.16 and 64,310,496,139.20 is: 96,430,578,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,991,530,994.24 : 121,443,008,852.16 = 64,310,496,139.20 : x
  2. Step 2: Convert to fraction form
    80,991,530,994.24/121,443,008,852.16 = 64,310,496,139.20/x
  3. Step 3: Cross multiply
    80,991,530,994.24x = 121,443,008,852.16 × 64,310,496,139.20
  4. Step 4: Simplify right side
    80,991,530,994.24x = 7,810,060,151,919,666,528,256
  5. Step 5: Solve for x
    x = 7,810,060,151,919,666,528,256/80,991,530,994.24
  6. Step 6: Final answer
    x = 96,430,578,062.23

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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.