Home / 209,952,196.80-314,928,295.20-202,897,809.60

Finding the Fourth Proportional to 209,952,196.80, 314,928,295.20 and 202,897,809.60

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Solution

The fourth proportional to 209,952,196.80, 314,928,295.20 and 202,897,809.60 is: 304,346,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,196.80 : 314,928,295.20 = 202,897,809.60 : x
  2. Step 2: Convert to fraction form
    209,952,196.80/314,928,295.20 = 202,897,809.60/x
  3. Step 3: Cross multiply
    209,952,196.80x = 314,928,295.20 × 202,897,809.60
  4. Step 4: Simplify right side
    209,952,196.80x = 63,898,261,277,142,192
  5. Step 5: Solve for x
    x = 63,898,261,277,142,192/209,952,196.80
  6. Step 6: Final answer
    x = 304,346,714.40

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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.