Home / 245,987,460.79-369,074,381.99-147,687,814.10

Finding the Fourth Proportional to 245,987,460.79, 369,074,381.99 and 147,687,814.10

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Solution

The fourth proportional to 245,987,460.79, 369,074,381.99 and 147,687,814.10 is: 221,587,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,987,460.79 : 369,074,381.99 = 147,687,814.10 : x
  2. Step 2: Convert to fraction form
    245,987,460.79/369,074,381.99 = 147,687,814.10/x
  3. Step 3: Cross multiply
    245,987,460.79x = 369,074,381.99 × 147,687,814.10
  4. Step 4: Simplify right side
    245,987,460.79x = 54,507,788,716,595,752
  5. Step 5: Solve for x
    x = 54,507,788,716,595,752/245,987,460.79
  6. Step 6: Final answer
    x = 221,587,671.75

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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.