Home / 72,497,826.12-100,046,994.48-39,458,312.16

Finding the Fourth Proportional to 72,497,826.12, 100,046,994.48 and 39,458,312.16

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Solution

The fourth proportional to 72,497,826.12, 100,046,994.48 and 39,458,312.16 is: 54,452,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,497,826.12 : 100,046,994.48 = 39,458,312.16 : x
  2. Step 2: Convert to fraction form
    72,497,826.12/100,046,994.48 = 39,458,312.16/x
  3. Step 3: Cross multiply
    72,497,826.12x = 100,046,994.48 × 39,458,312.16
  4. Step 4: Simplify right side
    72,497,826.12x = 3,947,685,538,486,461
  5. Step 5: Solve for x
    x = 3,947,685,538,486,461/72,497,826.12
  6. Step 6: Final answer
    x = 54,452,467.74

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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.