Home / 199,700,009.60-299,550,014.40-131,619,574.40

Finding the Fourth Proportional to 199,700,009.60, 299,550,014.40 and 131,619,574.40

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Solution

The fourth proportional to 199,700,009.60, 299,550,014.40 and 131,619,574.40 is: 197,429,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,700,009.60 : 299,550,014.40 = 131,619,574.40 : x
  2. Step 2: Convert to fraction form
    199,700,009.60/299,550,014.40 = 131,619,574.40/x
  3. Step 3: Cross multiply
    199,700,009.60x = 299,550,014.40 × 131,619,574.40
  4. Step 4: Simplify right side
    199,700,009.60x = 39,426,645,406,841,872
  5. Step 5: Solve for x
    x = 39,426,645,406,841,872/199,700,009.60
  6. Step 6: Final answer
    x = 197,429,361.60

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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.