Home / 152,955,417.08-211,078,505.88-83,340,797.74

Finding the Fourth Proportional to 152,955,417.08, 211,078,505.88 and 83,340,797.74

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Solution

The fourth proportional to 152,955,417.08, 211,078,505.88 and 83,340,797.74 is: 115,010,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,955,417.08 : 211,078,505.88 = 83,340,797.74 : x
  2. Step 2: Convert to fraction form
    152,955,417.08/211,078,505.88 = 83,340,797.74/x
  3. Step 3: Cross multiply
    152,955,417.08x = 211,078,505.88 × 83,340,797.74
  4. Step 4: Simplify right side
    152,955,417.08x = 17,591,451,065,278,784
  5. Step 5: Solve for x
    x = 17,591,451,065,278,784/152,955,417.08
  6. Step 6: Final answer
    x = 115,010,317.39

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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.