Home / 261,455,068.86-360,796,356.47-149,865,911.20

Finding the Fourth Proportional to 261,455,068.86, 360,796,356.47 and 149,865,911.20

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Solution

The fourth proportional to 261,455,068.86, 360,796,356.47 and 149,865,911.20 is: 206,808,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,455,068.86 : 360,796,356.47 = 149,865,911.20 : x
  2. Step 2: Convert to fraction form
    261,455,068.86/360,796,356.47 = 149,865,911.20/x
  3. Step 3: Cross multiply
    261,455,068.86x = 360,796,356.47 × 149,865,911.20
  4. Step 4: Simplify right side
    261,455,068.86x = 54,071,074,717,463,248
  5. Step 5: Solve for x
    x = 54,071,074,717,463,248/261,455,068.86
  6. Step 6: Final answer
    x = 206,808,286.23

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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.