Home / 72,068,797.59-99,454,445.44-39,028,290.58

Finding the Fourth Proportional to 72,068,797.59, 99,454,445.44 and 39,028,290.58

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Solution

The fourth proportional to 72,068,797.59, 99,454,445.44 and 39,028,290.58 is: 53,858,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,068,797.59 : 99,454,445.44 = 39,028,290.58 : x
  2. Step 2: Convert to fraction form
    72,068,797.59/99,454,445.44 = 39,028,290.58/x
  3. Step 3: Cross multiply
    72,068,797.59x = 99,454,445.44 × 39,028,290.58
  4. Step 4: Simplify right side
    72,068,797.59x = 3,881,536,996,105,075.50
  5. Step 5: Solve for x
    x = 3,881,536,996,105,075.50/72,068,797.59
  6. Step 6: Final answer
    x = 53,858,772.81

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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.