Home / 210,895,876.50-291,033,058.96-118,079,705.86

Finding the Fourth Proportional to 210,895,876.50, 291,033,058.96 and 118,079,705.86

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Solution

The fourth proportional to 210,895,876.50, 291,033,058.96 and 118,079,705.86 is: 162,948,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,895,876.50 : 291,033,058.96 = 118,079,705.86 : x
  2. Step 2: Convert to fraction form
    210,895,876.50/291,033,058.96 = 118,079,705.86/x
  3. Step 3: Cross multiply
    210,895,876.50x = 291,033,058.96 × 118,079,705.86
  4. Step 4: Simplify right side
    210,895,876.50x = 34,365,097,997,532,836
  5. Step 5: Solve for x
    x = 34,365,097,997,532,836/210,895,876.50
  6. Step 6: Final answer
    x = 162,948,174.08

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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.