Home / 286,501,452.30-429,752,178.45-102,357,145.80

Finding the Fourth Proportional to 286,501,452.30, 429,752,178.45 and 102,357,145.80

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Solution

The fourth proportional to 286,501,452.30, 429,752,178.45 and 102,357,145.80 is: 153,535,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,501,452.30 : 429,752,178.45 = 102,357,145.80 : x
  2. Step 2: Convert to fraction form
    286,501,452.30/429,752,178.45 = 102,357,145.80/x
  3. Step 3: Cross multiply
    286,501,452.30x = 429,752,178.45 × 102,357,145.80
  4. Step 4: Simplify right side
    286,501,452.30x = 43,988,206,387,474,264
  5. Step 5: Solve for x
    x = 43,988,206,387,474,264/286,501,452.30
  6. Step 6: Final answer
    x = 153,535,718.70

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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.