Home / 209,921,448.60-314,616,752.10-187,095,259.80

Finding the Fourth Proportional to 209,921,448.60, 314,616,752.10 and 187,095,259.80

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Solution

The fourth proportional to 209,921,448.60, 314,616,752.10 and 187,095,259.80 is: 280,406,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,921,448.60 : 314,616,752.10 = 187,095,259.80 : x
  2. Step 2: Convert to fraction form
    209,921,448.60/314,616,752.10 = 187,095,259.80/x
  3. Step 3: Cross multiply
    209,921,448.60x = 314,616,752.10 × 187,095,259.80
  4. Step 4: Simplify right side
    209,921,448.60x = 58,863,302,971,581,704
  5. Step 5: Solve for x
    x = 58,863,302,971,581,704/209,921,448.60
  6. Step 6: Final answer
    x = 280,406,329.91

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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.