Home / 190,678,966.65-286,021,107.27-54,364,350.15

Finding the Fourth Proportional to 190,678,966.65, 286,021,107.27 and 54,364,350.15

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Solution

The fourth proportional to 190,678,966.65, 286,021,107.27 and 54,364,350.15 is: 81,547,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,678,966.65 : 286,021,107.27 = 54,364,350.15 : x
  2. Step 2: Convert to fraction form
    190,678,966.65/286,021,107.27 = 54,364,350.15/x
  3. Step 3: Cross multiply
    190,678,966.65x = 286,021,107.27 × 54,364,350.15
  4. Step 4: Simplify right side
    190,678,966.65x = 15,549,351,625,916,990
  5. Step 5: Solve for x
    x = 15,549,351,625,916,990/190,678,966.65
  6. Step 6: Final answer
    x = 81,547,282.84

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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.