Home / 209,986,437.60-314,979,656.40-133,060,024.80

Finding the Fourth Proportional to 209,986,437.60, 314,979,656.40 and 133,060,024.80

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Solution

The fourth proportional to 209,986,437.60, 314,979,656.40 and 133,060,024.80 is: 199,590,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,986,437.60 : 314,979,656.40 = 133,060,024.80 : x
  2. Step 2: Convert to fraction form
    209,986,437.60/314,979,656.40 = 133,060,024.80/x
  3. Step 3: Cross multiply
    209,986,437.60x = 314,979,656.40 × 133,060,024.80
  4. Step 4: Simplify right side
    209,986,437.60x = 41,911,200,892,079,472
  5. Step 5: Solve for x
    x = 41,911,200,892,079,472/209,986,437.60
  6. Step 6: Final answer
    x = 199,590,037.20

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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.