Home / 209,925,909.60-314,888,864.40-133,587,362.40

Finding the Fourth Proportional to 209,925,909.60, 314,888,864.40 and 133,587,362.40

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Solution

The fourth proportional to 209,925,909.60, 314,888,864.40 and 133,587,362.40 is: 200,381,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,925,909.60 : 314,888,864.40 = 133,587,362.40 : x
  2. Step 2: Convert to fraction form
    209,925,909.60/314,888,864.40 = 133,587,362.40/x
  3. Step 3: Cross multiply
    209,925,909.60x = 314,888,864.40 × 133,587,362.40
  4. Step 4: Simplify right side
    209,925,909.60x = 42,065,172,844,327,256
  5. Step 5: Solve for x
    x = 42,065,172,844,327,256/209,925,909.60
  6. Step 6: Final answer
    x = 200,381,043.60

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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.