Home / 199,716,688.80-299,386,076.40-117,898,394.40

Finding the Fourth Proportional to 199,716,688.80, 299,386,076.40 and 117,898,394.40

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Solution

The fourth proportional to 199,716,688.80, 299,386,076.40 and 117,898,394.40 is: 176,736,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,716,688.80 : 299,386,076.40 = 117,898,394.40 : x
  2. Step 2: Convert to fraction form
    199,716,688.80/299,386,076.40 = 117,898,394.40/x
  3. Step 3: Cross multiply
    199,716,688.80x = 299,386,076.40 × 117,898,394.40
  4. Step 4: Simplify right side
    199,716,688.80x = 35,297,137,713,275,732
  5. Step 5: Solve for x
    x = 35,297,137,713,275,732/199,716,688.80
  6. Step 6: Final answer
    x = 176,736,045.07

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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.