Home / 190,722,125.81-286,125,835.22-69,553,577.81

Finding the Fourth Proportional to 190,722,125.81, 286,125,835.22 and 69,553,577.81

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Solution

The fourth proportional to 190,722,125.81, 286,125,835.22 and 69,553,577.81 is: 104,345,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,722,125.81 : 286,125,835.22 = 69,553,577.81 : x
  2. Step 2: Convert to fraction form
    190,722,125.81/286,125,835.22 = 69,553,577.81/x
  3. Step 3: Cross multiply
    190,722,125.81x = 286,125,835.22 × 69,553,577.81
  4. Step 4: Simplify right side
    190,722,125.81x = 19,901,075,544,053,880
  5. Step 5: Solve for x
    x = 19,901,075,544,053,880/190,722,125.81
  6. Step 6: Final answer
    x = 104,345,919.28

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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.