Home / 72,827,658.52-109,228,326.14-20,999,518.36

Finding the Fourth Proportional to 72,827,658.52, 109,228,326.14 and 20,999,518.36

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Solution

The fourth proportional to 72,827,658.52, 109,228,326.14 and 20,999,518.36 is: 31,495,482.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827,658.52 : 109,228,326.14 = 20,999,518.36 : x
  2. Step 2: Convert to fraction form
    72,827,658.52/109,228,326.14 = 20,999,518.36/x
  3. Step 3: Cross multiply
    72,827,658.52x = 109,228,326.14 × 20,999,518.36
  4. Step 4: Simplify right side
    72,827,658.52x = 2,293,742,240,208,998
  5. Step 5: Solve for x
    x = 2,293,742,240,208,998/72,827,658.52
  6. Step 6: Final answer
    x = 31,495,482.44

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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.