Home / 193,470,842.28-266,987,903.58-105,366,315

Finding the Fourth Proportional to 193,470,842.28, 266,987,903.58 and 105,366,315

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Solution

The fourth proportional to 193,470,842.28, 266,987,903.58 and 105,366,315 is: 145,404,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,470,842.28 : 266,987,903.58 = 105,366,315 : x
  2. Step 2: Convert to fraction form
    193,470,842.28/266,987,903.58 = 105,366,315/x
  3. Step 3: Cross multiply
    193,470,842.28x = 266,987,903.58 × 105,366,315
  4. Step 4: Simplify right side
    193,470,842.28x = 28,131,531,549,799,908
  5. Step 5: Solve for x
    x = 28,131,531,549,799,908/193,470,842.28
  6. Step 6: Final answer
    x = 145,404,502.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.