Home / 336,870,980.70-505,354,673.18-103,721,419.72

Finding the Fourth Proportional to 336,870,980.70, 505,354,673.18 and 103,721,419.72

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Solution

The fourth proportional to 336,870,980.70, 505,354,673.18 and 103,721,419.72 is: 155,596,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,870,980.70 : 505,354,673.18 = 103,721,419.72 : x
  2. Step 2: Convert to fraction form
    336,870,980.70/505,354,673.18 = 103,721,419.72/x
  3. Step 3: Cross multiply
    336,870,980.70x = 505,354,673.18 × 103,721,419.72
  4. Step 4: Simplify right side
    336,870,980.70x = 52,416,104,164,366,208
  5. Step 5: Solve for x
    x = 52,416,104,164,366,208/336,870,980.70
  6. Step 6: Final answer
    x = 155,596,970.85

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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.