Home / 136,606,152.96-204,580,896.48-78,136,572.96

Finding the Fourth Proportional to 136,606,152.96, 204,580,896.48 and 78,136,572.96

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Solution

The fourth proportional to 136,606,152.96, 204,580,896.48 and 78,136,572.96 is: 117,017,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,606,152.96 : 204,580,896.48 = 78,136,572.96 : x
  2. Step 2: Convert to fraction form
    136,606,152.96/204,580,896.48 = 78,136,572.96/x
  3. Step 3: Cross multiply
    136,606,152.96x = 204,580,896.48 × 78,136,572.96
  4. Step 4: Simplify right side
    136,606,152.96x = 15,985,250,144,031,726
  5. Step 5: Solve for x
    x = 15,985,250,144,031,726/136,606,152.96
  6. Step 6: Final answer
    x = 117,017,058.15

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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.