Home / 193,193,916.51-266,609,010.15-105,088,675.08

Finding the Fourth Proportional to 193,193,916.51, 266,609,010.15 and 105,088,675.08

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Solution

The fourth proportional to 193,193,916.51, 266,609,010.15 and 105,088,675.08 is: 145,023,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,193,916.51 : 266,609,010.15 = 105,088,675.08 : x
  2. Step 2: Convert to fraction form
    193,193,916.51/266,609,010.15 = 105,088,675.08/x
  3. Step 3: Cross multiply
    193,193,916.51x = 266,609,010.15 × 105,088,675.08
  4. Step 4: Simplify right side
    193,193,916.51x = 28,017,587,641,053,772
  5. Step 5: Solve for x
    x = 28,017,587,641,053,772/193,193,916.51
  6. Step 6: Final answer
    x = 145,023,136.07

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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.