Home / 193,817,547.70-290,691,802.49-77,223,132.07

Finding the Fourth Proportional to 193,817,547.70, 290,691,802.49 and 77,223,132.07

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Solution

The fourth proportional to 193,817,547.70, 290,691,802.49 and 77,223,132.07 is: 115,820,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,817,547.70 : 290,691,802.49 = 77,223,132.07 : x
  2. Step 2: Convert to fraction form
    193,817,547.70/290,691,802.49 = 77,223,132.07/x
  3. Step 3: Cross multiply
    193,817,547.70x = 290,691,802.49 × 77,223,132.07
  4. Step 4: Simplify right side
    193,817,547.70x = 22,448,131,454,238,780
  5. Step 5: Solve for x
    x = 22,448,131,454,238,780/193,817,547.70
  6. Step 6: Final answer
    x = 115,820,944.60

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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.