Home / 209,960,715.80-314,941,073.70-64,416,740.60

Finding the Fourth Proportional to 209,960,715.80, 314,941,073.70 and 64,416,740.60

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Solution

The fourth proportional to 209,960,715.80, 314,941,073.70 and 64,416,740.60 is: 96,625,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,960,715.80 : 314,941,073.70 = 64,416,740.60 : x
  2. Step 2: Convert to fraction form
    209,960,715.80/314,941,073.70 = 64,416,740.60/x
  3. Step 3: Cross multiply
    209,960,715.80x = 314,941,073.70 × 64,416,740.60
  4. Step 4: Simplify right side
    209,960,715.80x = 20,287,477,448,818,380
  5. Step 5: Solve for x
    x = 20,287,477,448,818,380/209,960,715.80
  6. Step 6: Final answer
    x = 96,625,110.90

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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.