Home / 52,625,836.40-78,888,988.20-31,076,985.20

Finding the Fourth Proportional to 52,625,836.40, 78,888,988.20 and 31,076,985.20

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Solution

The fourth proportional to 52,625,836.40, 78,888,988.20 and 31,076,985.20 is: 46,586,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,625,836.40 : 78,888,988.20 = 31,076,985.20 : x
  2. Step 2: Convert to fraction form
    52,625,836.40/78,888,988.20 = 31,076,985.20/x
  3. Step 3: Cross multiply
    52,625,836.40x = 78,888,988.20 × 31,076,985.20
  4. Step 4: Simplify right side
    52,625,836.40x = 2,451,631,918,734,374.50
  5. Step 5: Solve for x
    x = 2,451,631,918,734,374.50/52,625,836.40
  6. Step 6: Final answer
    x = 46,586,089.39

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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.