Home / 209,954,107.80-314,931,161.70-200,884,181.40

Finding the Fourth Proportional to 209,954,107.80, 314,931,161.70 and 200,884,181.40

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Solution

The fourth proportional to 209,954,107.80, 314,931,161.70 and 200,884,181.40 is: 301,326,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,954,107.80 : 314,931,161.70 = 200,884,181.40 : x
  2. Step 2: Convert to fraction form
    209,954,107.80/314,931,161.70 = 200,884,181.40/x
  3. Step 3: Cross multiply
    209,954,107.80x = 314,931,161.70 × 200,884,181.40
  4. Step 4: Simplify right side
    209,954,107.80x = 63,264,688,615,455,528
  5. Step 5: Solve for x
    x = 63,264,688,615,455,528/209,954,107.80
  6. Step 6: Final answer
    x = 301,326,272.10

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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.