Home / 51,688,671.22-71,329,442.50-28,167,412.30

Finding the Fourth Proportional to 51,688,671.22, 71,329,442.50 and 28,167,412.30

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Solution

The fourth proportional to 51,688,671.22, 71,329,442.50 and 28,167,412.30 is: 38,870,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,688,671.22 : 71,329,442.50 = 28,167,412.30 : x
  2. Step 2: Convert to fraction form
    51,688,671.22/71,329,442.50 = 28,167,412.30/x
  3. Step 3: Cross multiply
    51,688,671.22x = 71,329,442.50 × 28,167,412.30
  4. Step 4: Simplify right side
    51,688,671.22x = 2,009,165,816,026,642.75
  5. Step 5: Solve for x
    x = 2,009,165,816,026,642.75/51,688,671.22
  6. Step 6: Final answer
    x = 38,870,525.56

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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.