Home / 75,816,085.70-113,724,128.55-63,218,965.70

Finding the Fourth Proportional to 75,816,085.70, 113,724,128.55 and 63,218,965.70

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Solution

The fourth proportional to 75,816,085.70, 113,724,128.55 and 63,218,965.70 is: 94,828,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,816,085.70 : 113,724,128.55 = 63,218,965.70 : x
  2. Step 2: Convert to fraction form
    75,816,085.70/113,724,128.55 = 63,218,965.70/x
  3. Step 3: Cross multiply
    75,816,085.70x = 113,724,128.55 × 63,218,965.70
  4. Step 4: Simplify right side
    75,816,085.70x = 7,189,521,782,064,841
  5. Step 5: Solve for x
    x = 7,189,521,782,064,841/75,816,085.70
  6. Step 6: Final answer
    x = 94,828,448.55

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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.