Home / 100,977,742.32-139,343,278.88-58,588,017.90

Finding the Fourth Proportional to 100,977,742.32, 139,343,278.88 and 58,588,017.90

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Solution

The fourth proportional to 100,977,742.32, 139,343,278.88 and 58,588,017.90 is: 80,847,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,977,742.32 : 139,343,278.88 = 58,588,017.90 : x
  2. Step 2: Convert to fraction form
    100,977,742.32/139,343,278.88 = 58,588,017.90/x
  3. Step 3: Cross multiply
    100,977,742.32x = 139,343,278.88 × 58,588,017.90
  4. Step 4: Simplify right side
    100,977,742.32x = 8,163,846,517,266,131
  5. Step 5: Solve for x
    x = 8,163,846,517,266,131/100,977,742.32
  6. Step 6: Final answer
    x = 80,847,980.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.