Home / 210,605,650.04-315,293,774.94-122,898,398.87

Finding the Fourth Proportional to 210,605,650.04, 315,293,774.94 and 122,898,398.87

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Solution

The fourth proportional to 210,605,650.04, 315,293,774.94 and 122,898,398.87 is: 183,988,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,605,650.04 : 315,293,774.94 = 122,898,398.87 : x
  2. Step 2: Convert to fraction form
    210,605,650.04/315,293,774.94 = 122,898,398.87/x
  3. Step 3: Cross multiply
    210,605,650.04x = 315,293,774.94 × 122,898,398.87
  4. Step 4: Simplify right side
    210,605,650.04x = 38,749,100,113,804,128
  5. Step 5: Solve for x
    x = 38,749,100,113,804,128/210,605,650.04
  6. Step 6: Final answer
    x = 183,988,891.59

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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.