Home / 209,736,012.60-314,604,018.90-133,397,465.40

Finding the Fourth Proportional to 209,736,012.60, 314,604,018.90 and 133,397,465.40

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Solution

The fourth proportional to 209,736,012.60, 314,604,018.90 and 133,397,465.40 is: 200,096,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,736,012.60 : 314,604,018.90 = 133,397,465.40 : x
  2. Step 2: Convert to fraction form
    209,736,012.60/314,604,018.90 = 133,397,465.40/x
  3. Step 3: Cross multiply
    209,736,012.60x = 314,604,018.90 × 133,397,465.40
  4. Step 4: Simplify right side
    209,736,012.60x = 41,967,378,725,913,696
  5. Step 5: Solve for x
    x = 41,967,378,725,913,696/209,736,012.60
  6. Step 6: Final answer
    x = 200,096,198.10

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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.