Home / 288,243,615.60-432,497,176.38-156,889,115.10

Finding the Fourth Proportional to 288,243,615.60, 432,497,176.38 and 156,889,115.10

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Solution

The fourth proportional to 288,243,615.60, 432,497,176.38 and 156,889,115.10 is: 235,405,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,243,615.60 : 432,497,176.38 = 156,889,115.10 : x
  2. Step 2: Convert to fraction form
    288,243,615.60/432,497,176.38 = 156,889,115.10/x
  3. Step 3: Cross multiply
    288,243,615.60x = 432,497,176.38 × 156,889,115.10
  4. Step 4: Simplify right side
    288,243,615.60x = 67,854,099,285,506,816
  5. Step 5: Solve for x
    x = 67,854,099,285,506,816/288,243,615.60
  6. Step 6: Final answer
    x = 235,405,384.94

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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.