Home / 237,129,985-327,239,379.30-128,602,369

Finding the Fourth Proportional to 237,129,985, 327,239,379.30 and 128,602,369

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Solution

The fourth proportional to 237,129,985, 327,239,379.30 and 128,602,369 is: 177,471,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,129,985 : 327,239,379.30 = 128,602,369 : x
  2. Step 2: Convert to fraction form
    237,129,985/327,239,379.30 = 128,602,369/x
  3. Step 3: Cross multiply
    237,129,985x = 327,239,379.30 × 128,602,369
  4. Step 4: Simplify right side
    237,129,985x = 42,083,759,408,069,560
  5. Step 5: Solve for x
    x = 42,083,759,408,069,560/237,129,985
  6. Step 6: Final answer
    x = 177,471,269.22

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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.