Home / 199,966,347.44-299,656,066.12-112,697,756.72

Finding the Fourth Proportional to 199,966,347.44, 299,656,066.12 and 112,697,756.72

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Solution

The fourth proportional to 199,966,347.44, 299,656,066.12 and 112,697,756.72 is: 168,881,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,966,347.44 : 299,656,066.12 = 112,697,756.72 : x
  2. Step 2: Convert to fraction form
    199,966,347.44/299,656,066.12 = 112,697,756.72/x
  3. Step 3: Cross multiply
    199,966,347.44x = 299,656,066.12 × 112,697,756.72
  4. Step 4: Simplify right side
    199,966,347.44x = 33,770,566,439,263,996
  5. Step 5: Solve for x
    x = 33,770,566,439,263,996/199,966,347.44
  6. Step 6: Final answer
    x = 168,881,248.63

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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.