Home / 336,870,983.70-505,354,677.68-103,721,422.72

Finding the Fourth Proportional to 336,870,983.70, 505,354,677.68 and 103,721,422.72

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Solution

The fourth proportional to 336,870,983.70, 505,354,677.68 and 103,721,422.72 is: 155,596,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,870,983.70 : 505,354,677.68 = 103,721,422.72 : x
  2. Step 2: Convert to fraction form
    336,870,983.70/505,354,677.68 = 103,721,422.72/x
  3. Step 3: Cross multiply
    336,870,983.70x = 505,354,677.68 × 103,721,422.72
  4. Step 4: Simplify right side
    336,870,983.70x = 52,416,106,147,176,632
  5. Step 5: Solve for x
    x = 52,416,106,147,176,632/336,870,983.70
  6. Step 6: Final answer
    x = 155,596,975.35

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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.