Home / 103,421,166.75-142,722,194.54-57,013,085.07

Finding the Fourth Proportional to 103,421,166.75, 142,722,194.54 and 57,013,085.07

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Solution

The fourth proportional to 103,421,166.75, 142,722,194.54 and 57,013,085.07 is: 78,678,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,421,166.75 : 142,722,194.54 = 57,013,085.07 : x
  2. Step 2: Convert to fraction form
    103,421,166.75/142,722,194.54 = 57,013,085.07/x
  3. Step 3: Cross multiply
    103,421,166.75x = 142,722,194.54 × 57,013,085.07
  4. Step 4: Simplify right side
    103,421,166.75x = 8,137,032,618,401,044
  5. Step 5: Solve for x
    x = 8,137,032,618,401,044/103,421,166.75
  6. Step 6: Final answer
    x = 78,678,600.08

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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.