Home / 231,420,978,864.81-347,176,171,953.95-87,988,854,929.31

Finding the Fourth Proportional to 231,420,978,864.81, 347,176,171,953.95 and 87,988,854,929.31

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Solution

The fourth proportional to 231,420,978,864.81, 347,176,171,953.95 and 87,988,854,929.31 is: 132,000,279,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,420,978,864.81 : 347,176,171,953.95 = 87,988,854,929.31 : x
  2. Step 2: Convert to fraction form
    231,420,978,864.81/347,176,171,953.95 = 87,988,854,929.31/x
  3. Step 3: Cross multiply
    231,420,978,864.81x = 347,176,171,953.95 × 87,988,854,929.31
  4. Step 4: Simplify right side
    231,420,978,864.81x = 30,547,633,828,969,289,089,024
  5. Step 5: Solve for x
    x = 30,547,633,828,969,289,089,024/231,420,978,864.81
  6. Step 6: Final answer
    x = 132,000,279,226.26

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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.