Home / 190,679,020.56-286,021,188.36-54,364,404.24

Finding the Fourth Proportional to 190,679,020.56, 286,021,188.36 and 54,364,404.24

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Solution

The fourth proportional to 190,679,020.56, 286,021,188.36 and 54,364,404.24 is: 81,547,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,679,020.56 : 286,021,188.36 = 54,364,404.24 : x
  2. Step 2: Convert to fraction form
    190,679,020.56/286,021,188.36 = 54,364,404.24/x
  3. Step 3: Cross multiply
    190,679,020.56x = 286,021,188.36 × 54,364,404.24
  4. Step 4: Simplify right side
    190,679,020.56x = 15,549,371,505,208,224
  5. Step 5: Solve for x
    x = 15,549,371,505,208,224/190,679,020.56
  6. Step 6: Final answer
    x = 81,547,364.04

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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.