Home / 102,269,191.68-141,130,643.76-55,859,477.04

Finding the Fourth Proportional to 102,269,191.68, 141,130,643.76 and 55,859,477.04

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Solution

The fourth proportional to 102,269,191.68, 141,130,643.76 and 55,859,477.04 is: 77,085,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,269,191.68 : 141,130,643.76 = 55,859,477.04 : x
  2. Step 2: Convert to fraction form
    102,269,191.68/141,130,643.76 = 55,859,477.04/x
  3. Step 3: Cross multiply
    102,269,191.68x = 141,130,643.76 × 55,859,477.04
  4. Step 4: Simplify right side
    102,269,191.68x = 7,883,483,954,752,139
  5. Step 5: Solve for x
    x = 7,883,483,954,752,139/102,269,191.68
  6. Step 6: Final answer
    x = 77,085,619.09

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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.