Home / 99,617,080.95-137,515,652.93-64,352,080.80

Finding the Fourth Proportional to 99,617,080.95, 137,515,652.93 and 64,352,080.80

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Solution

The fourth proportional to 99,617,080.95, 137,515,652.93 and 64,352,080.80 is: 88,834,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,617,080.95 : 137,515,652.93 = 64,352,080.80 : x
  2. Step 2: Convert to fraction form
    99,617,080.95/137,515,652.93 = 64,352,080.80/x
  3. Step 3: Cross multiply
    99,617,080.95x = 137,515,652.93 × 64,352,080.80
  4. Step 4: Simplify right side
    99,617,080.95x = 8,849,418,408,776,997
  5. Step 5: Solve for x
    x = 8,849,418,408,776,997/99,617,080.95
  6. Step 6: Final answer
    x = 88,834,347.73

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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.