Home / 153,304,849.04-211,561,551.24-87,225,345.90

Finding the Fourth Proportional to 153,304,849.04, 211,561,551.24 and 87,225,345.90

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Solution

The fourth proportional to 153,304,849.04, 211,561,551.24 and 87,225,345.90 is: 120,371,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,304,849.04 : 211,561,551.24 = 87,225,345.90 : x
  2. Step 2: Convert to fraction form
    153,304,849.04/211,561,551.24 = 87,225,345.90/x
  3. Step 3: Cross multiply
    153,304,849.04x = 211,561,551.24 × 87,225,345.90
  4. Step 4: Simplify right side
    153,304,849.04x = 18,453,529,486,049,576
  5. Step 5: Solve for x
    x = 18,453,529,486,049,576/153,304,849.04
  6. Step 6: Final answer
    x = 120,371,466.41

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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.