Home / 145,497,987.60-200,757,249.54-83,606,368.74

Finding the Fourth Proportional to 145,497,987.60, 200,757,249.54 and 83,606,368.74

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Solution

The fourth proportional to 145,497,987.60, 200,757,249.54 and 83,606,368.74 is: 115,359,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,497,987.60 : 200,757,249.54 = 83,606,368.74 : x
  2. Step 2: Convert to fraction form
    145,497,987.60/200,757,249.54 = 83,606,368.74/x
  3. Step 3: Cross multiply
    145,497,987.60x = 200,757,249.54 × 83,606,368.74
  4. Step 4: Simplify right side
    145,497,987.60x = 16,784,584,632,269,434
  5. Step 5: Solve for x
    x = 16,784,584,632,269,434/145,497,987.60
  6. Step 6: Final answer
    x = 115,359,565.51

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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.