Home / 149,140,409.35-205,820,143.85-83,060,897.01

Finding the Fourth Proportional to 149,140,409.35, 205,820,143.85 and 83,060,897.01

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Solution

The fourth proportional to 149,140,409.35, 205,820,143.85 and 83,060,897.01 is: 114,627,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,140,409.35 : 205,820,143.85 = 83,060,897.01 : x
  2. Step 2: Convert to fraction form
    149,140,409.35/205,820,143.85 = 83,060,897.01/x
  3. Step 3: Cross multiply
    149,140,409.35x = 205,820,143.85 × 83,060,897.01
  4. Step 4: Simplify right side
    149,140,409.35x = 17,095,605,770,920,250
  5. Step 5: Solve for x
    x = 17,095,605,770,920,250/149,140,409.35
  6. Step 6: Final answer
    x = 114,627,590.51

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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.