Home / 215,554,356.90-297,465,142.85-116,435,148.08

Finding the Fourth Proportional to 215,554,356.90, 297,465,142.85 and 116,435,148.08

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Solution

The fourth proportional to 215,554,356.90, 297,465,142.85 and 116,435,148.08 is: 160,680,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,554,356.90 : 297,465,142.85 = 116,435,148.08 : x
  2. Step 2: Convert to fraction form
    215,554,356.90/297,465,142.85 = 116,435,148.08/x
  3. Step 3: Cross multiply
    215,554,356.90x = 297,465,142.85 × 116,435,148.08
  4. Step 4: Simplify right side
    215,554,356.90x = 34,635,397,956,716,288
  5. Step 5: Solve for x
    x = 34,635,397,956,716,288/215,554,356.90
  6. Step 6: Final answer
    x = 160,680,574.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.