Home / 118,591,746.58-163,647,674.77-72,176,870.62

Finding the Fourth Proportional to 118,591,746.58, 163,647,674.77 and 72,176,870.62

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Solution

The fourth proportional to 118,591,746.58, 163,647,674.77 and 72,176,870.62 is: 99,598,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,591,746.58 : 163,647,674.77 = 72,176,870.62 : x
  2. Step 2: Convert to fraction form
    118,591,746.58/163,647,674.77 = 72,176,870.62/x
  3. Step 3: Cross multiply
    118,591,746.58x = 163,647,674.77 × 72,176,870.62
  4. Step 4: Simplify right side
    118,591,746.58x = 11,811,577,049,138,130
  5. Step 5: Solve for x
    x = 11,811,577,049,138,130/118,591,746.58
  6. Step 6: Final answer
    x = 99,598,643.16

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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.