Home / 155,402,429.07-214,454,036.82-85,786,315.28

Finding the Fourth Proportional to 155,402,429.07, 214,454,036.82 and 85,786,315.28

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Solution

The fourth proportional to 155,402,429.07, 214,454,036.82 and 85,786,315.28 is: 118,384,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,402,429.07 : 214,454,036.82 = 85,786,315.28 : x
  2. Step 2: Convert to fraction form
    155,402,429.07/214,454,036.82 = 85,786,315.28/x
  3. Step 3: Cross multiply
    155,402,429.07x = 214,454,036.82 × 85,786,315.28
  4. Step 4: Simplify right side
    155,402,429.07x = 18,397,221,614,208,048
  5. Step 5: Solve for x
    x = 18,397,221,614,208,048/155,402,429.07
  6. Step 6: Final answer
    x = 118,384,389.00

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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.