Home / 85,840,310.02-128,817,186.63-40,415,095.30

Finding the Fourth Proportional to 85,840,310.02, 128,817,186.63 and 40,415,095.30

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Solution

The fourth proportional to 85,840,310.02, 128,817,186.63 and 40,415,095.30 is: 60,649,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,840,310.02 : 128,817,186.63 = 40,415,095.30 : x
  2. Step 2: Convert to fraction form
    85,840,310.02/128,817,186.63 = 40,415,095.30/x
  3. Step 3: Cross multiply
    85,840,310.02x = 128,817,186.63 × 40,415,095.30
  4. Step 4: Simplify right side
    85,840,310.02x = 5,206,158,873,929,335
  5. Step 5: Solve for x
    x = 5,206,158,873,929,335/85,840,310.02
  6. Step 6: Final answer
    x = 60,649,348.46

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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.