Home / 151,161,722.34-208,602,665.26-85,082,182.32

Finding the Fourth Proportional to 151,161,722.34, 208,602,665.26 and 85,082,182.32

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Solution

The fourth proportional to 151,161,722.34, 208,602,665.26 and 85,082,182.32 is: 117,413,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,161,722.34 : 208,602,665.26 = 85,082,182.32 : x
  2. Step 2: Convert to fraction form
    151,161,722.34/208,602,665.26 = 85,082,182.32/x
  3. Step 3: Cross multiply
    151,161,722.34x = 208,602,665.26 × 85,082,182.32
  4. Step 4: Simplify right side
    151,161,722.34x = 17,748,369,998,089,248
  5. Step 5: Solve for x
    x = 17,748,369,998,089,248/151,161,722.34
  6. Step 6: Final answer
    x = 117,413,123.66

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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.