Home / 190,940,859.16-286,553,859.27-129,384,026.26

Finding the Fourth Proportional to 190,940,859.16, 286,553,859.27 and 129,384,026.26

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Solution

The fourth proportional to 190,940,859.16, 286,553,859.27 and 129,384,026.26 is: 194,172,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,940,859.16 : 286,553,859.27 = 129,384,026.26 : x
  2. Step 2: Convert to fraction form
    190,940,859.16/286,553,859.27 = 129,384,026.26/x
  3. Step 3: Cross multiply
    190,940,859.16x = 286,553,859.27 × 129,384,026.26
  4. Step 4: Simplify right side
    190,940,859.16x = 37,075,492,051,492,448
  5. Step 5: Solve for x
    x = 37,075,492,051,492,448/190,940,859.16
  6. Step 6: Final answer
    x = 194,172,647.04

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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.