Home / 80,749,686,957.20-121,124,530,435.80-54,301,781,574.80

Finding the Fourth Proportional to 80,749,686,957.20, 121,124,530,435.80 and 54,301,781,574.80

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Solution

The fourth proportional to 80,749,686,957.20, 121,124,530,435.80 and 54,301,781,574.80 is: 81,452,672,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,749,686,957.20 : 121,124,530,435.80 = 54,301,781,574.80 : x
  2. Step 2: Convert to fraction form
    80,749,686,957.20/121,124,530,435.80 = 54,301,781,574.80/x
  3. Step 3: Cross multiply
    80,749,686,957.20x = 121,124,530,435.80 × 54,301,781,574.80
  4. Step 4: Simplify right side
    80,749,686,957.20x = 6,577,277,795,075,026,321,408
  5. Step 5: Solve for x
    x = 6,577,277,795,075,026,321,408/80,749,686,957.20
  6. Step 6: Final answer
    x = 81,452,672,362.20

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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.