Home / 209,953,139.60-314,929,709.40-133,614,592.40

Finding the Fourth Proportional to 209,953,139.60, 314,929,709.40 and 133,614,592.40

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Solution

The fourth proportional to 209,953,139.60, 314,929,709.40 and 133,614,592.40 is: 200,421,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,139.60 : 314,929,709.40 = 133,614,592.40 : x
  2. Step 2: Convert to fraction form
    209,953,139.60/314,929,709.40 = 133,614,592.40/x
  3. Step 3: Cross multiply
    209,953,139.60x = 314,929,709.40 × 133,614,592.40
  4. Step 4: Simplify right side
    209,953,139.60x = 42,079,204,756,131,448
  5. Step 5: Solve for x
    x = 42,079,204,756,131,448/209,953,139.60
  6. Step 6: Final answer
    x = 200,421,888.60

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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.