Home / 76,688,687.40-115,033,031.10-36,377,903.40

Finding the Fourth Proportional to 76,688,687.40, 115,033,031.10 and 36,377,903.40

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Solution

The fourth proportional to 76,688,687.40, 115,033,031.10 and 36,377,903.40 is: 54,566,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688,687.40 : 115,033,031.10 = 36,377,903.40 : x
  2. Step 2: Convert to fraction form
    76,688,687.40/115,033,031.10 = 36,377,903.40/x
  3. Step 3: Cross multiply
    76,688,687.40x = 115,033,031.10 × 36,377,903.40
  4. Step 4: Simplify right side
    76,688,687.40x = 4,184,660,493,164,995.50
  5. Step 5: Solve for x
    x = 4,184,660,493,164,995.50/76,688,687.40
  6. Step 6: Final answer
    x = 54,566,855.10

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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.