Home / 56,649,031.65-78,171,192.05-31,864,284.18

Finding the Fourth Proportional to 56,649,031.65, 78,171,192.05 and 31,864,284.18

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Solution

The fourth proportional to 56,649,031.65, 78,171,192.05 and 31,864,284.18 is: 43,970,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,649,031.65 : 78,171,192.05 = 31,864,284.18 : x
  2. Step 2: Convert to fraction form
    56,649,031.65/78,171,192.05 = 31,864,284.18/x
  3. Step 3: Cross multiply
    56,649,031.65x = 78,171,192.05 × 31,864,284.18
  4. Step 4: Simplify right side
    56,649,031.65x = 2,490,869,078,011,235.50
  5. Step 5: Solve for x
    x = 2,490,869,078,011,235.50/56,649,031.65
  6. Step 6: Final answer
    x = 43,970,196.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.