Home / 42,768,598.20-64,078,247.70-36,796,630.20

Finding the Fourth Proportional to 42,768,598.20, 64,078,247.70 and 36,796,630.20

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Solution

The fourth proportional to 42,768,598.20, 64,078,247.70 and 36,796,630.20 is: 55,130,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,598.20 : 64,078,247.70 = 36,796,630.20 : x
  2. Step 2: Convert to fraction form
    42,768,598.20/64,078,247.70 = 36,796,630.20/x
  3. Step 3: Cross multiply
    42,768,598.20x = 64,078,247.70 × 36,796,630.20
  4. Step 4: Simplify right side
    42,768,598.20x = 2,357,863,584,480,901
  5. Step 5: Solve for x
    x = 2,357,863,584,480,901/42,768,598.20
  6. Step 6: Final answer
    x = 55,130,719.35

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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.