Home / 187,865,095.68-259,255,709.76-105,357,108.48

Finding the Fourth Proportional to 187,865,095.68, 259,255,709.76 and 105,357,108.48

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Solution

The fourth proportional to 187,865,095.68, 259,255,709.76 and 105,357,108.48 is: 145,393,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,865,095.68 : 259,255,709.76 = 105,357,108.48 : x
  2. Step 2: Convert to fraction form
    187,865,095.68/259,255,709.76 = 105,357,108.48/x
  3. Step 3: Cross multiply
    187,865,095.68x = 259,255,709.76 × 105,357,108.48
  4. Step 4: Simplify right side
    187,865,095.68x = 27,314,431,937,243,716
  5. Step 5: Solve for x
    x = 27,314,431,937,243,716/187,865,095.68
  6. Step 6: Final answer
    x = 145,393,862.75

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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.