Home / 209,953,133.60-314,929,700.40-133,614,586.40

Finding the Fourth Proportional to 209,953,133.60, 314,929,700.40 and 133,614,586.40

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Solution

The fourth proportional to 209,953,133.60, 314,929,700.40 and 133,614,586.40 is: 200,421,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,133.60 : 314,929,700.40 = 133,614,586.40 : x
  2. Step 2: Convert to fraction form
    209,953,133.60/314,929,700.40 = 133,614,586.40/x
  3. Step 3: Cross multiply
    209,953,133.60x = 314,929,700.40 × 133,614,586.40
  4. Step 4: Simplify right side
    209,953,133.60x = 42,079,201,664,021,912
  5. Step 5: Solve for x
    x = 42,079,201,664,021,912/209,953,133.60
  6. Step 6: Final answer
    x = 200,421,879.60

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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.