Home / 291,500,865.83-437,251,298.78-97,412,281.02

Finding the Fourth Proportional to 291,500,865.83, 437,251,298.78 and 97,412,281.02

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Solution

The fourth proportional to 291,500,865.83, 437,251,298.78 and 97,412,281.02 is: 146,118,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,500,865.83 : 437,251,298.78 = 97,412,281.02 : x
  2. Step 2: Convert to fraction form
    291,500,865.83/437,251,298.78 = 97,412,281.02/x
  3. Step 3: Cross multiply
    291,500,865.83x = 437,251,298.78 × 97,412,281.02
  4. Step 4: Simplify right side
    291,500,865.83x = 42,593,646,393,360,872
  5. Step 5: Solve for x
    x = 42,593,646,393,360,872/291,500,865.83
  6. Step 6: Final answer
    x = 146,118,421.54

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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.