Home / 193,817,540.95-290,691,792.36-77,223,125.32

Finding the Fourth Proportional to 193,817,540.95, 290,691,792.36 and 77,223,125.32

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Solution

The fourth proportional to 193,817,540.95, 290,691,792.36 and 77,223,125.32 is: 115,820,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,817,540.95 : 290,691,792.36 = 77,223,125.32 : x
  2. Step 2: Convert to fraction form
    193,817,540.95/290,691,792.36 = 77,223,125.32/x
  3. Step 3: Cross multiply
    193,817,540.95x = 290,691,792.36 × 77,223,125.32
  4. Step 4: Simplify right side
    193,817,540.95x = 22,448,128,710,184,968
  5. Step 5: Solve for x
    x = 22,448,128,710,184,968/193,817,540.95
  6. Step 6: Final answer
    x = 115,820,934.47

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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.