Home / 137,557,159.08-189,828,878.34-75,676,169.64

Finding the Fourth Proportional to 137,557,159.08, 189,828,878.34 and 75,676,169.64

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Solution

The fourth proportional to 137,557,159.08, 189,828,878.34 and 75,676,169.64 is: 104,433,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,557,159.08 : 189,828,878.34 = 75,676,169.64 : x
  2. Step 2: Convert to fraction form
    137,557,159.08/189,828,878.34 = 75,676,169.64/x
  3. Step 3: Cross multiply
    137,557,159.08x = 189,828,878.34 × 75,676,169.64
  4. Step 4: Simplify right side
    137,557,159.08x = 14,365,522,399,828,762
  5. Step 5: Solve for x
    x = 14,365,522,399,828,762/137,557,159.08
  6. Step 6: Final answer
    x = 104,433,113.45

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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.