Home / 385,577,408.16-532,112,079.84-216,033,108.30

Finding the Fourth Proportional to 385,577,408.16, 532,112,079.84 and 216,033,108.30

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Solution

The fourth proportional to 385,577,408.16, 532,112,079.84 and 216,033,108.30 is: 298,134,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,577,408.16 : 532,112,079.84 = 216,033,108.30 : x
  2. Step 2: Convert to fraction form
    385,577,408.16/532,112,079.84 = 216,033,108.30/x
  3. Step 3: Cross multiply
    385,577,408.16x = 532,112,079.84 × 216,033,108.30
  4. Step 4: Simplify right side
    385,577,408.16x = 114,953,826,571,812,960
  5. Step 5: Solve for x
    x = 114,953,826,571,812,960/385,577,408.16
  6. Step 6: Final answer
    x = 298,134,237.48

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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.