Home / 198,133,031.40-297,199,547.10-52,566,311.40

Finding the Fourth Proportional to 198,133,031.40, 297,199,547.10 and 52,566,311.40

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Solution

The fourth proportional to 198,133,031.40, 297,199,547.10 and 52,566,311.40 is: 78,849,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,133,031.40 : 297,199,547.10 = 52,566,311.40 : x
  2. Step 2: Convert to fraction form
    198,133,031.40/297,199,547.10 = 52,566,311.40/x
  3. Step 3: Cross multiply
    198,133,031.40x = 297,199,547.10 × 52,566,311.40
  4. Step 4: Simplify right side
    198,133,031.40x = 15,622,683,940,797,568
  5. Step 5: Solve for x
    x = 15,622,683,940,797,568/198,133,031.40
  6. Step 6: Final answer
    x = 78,849,467.10

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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.