Home / 117,578,441.76-162,249,057.77-65,364,297.90

Finding the Fourth Proportional to 117,578,441.76, 162,249,057.77 and 65,364,297.90

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Solution

The fourth proportional to 117,578,441.76, 162,249,057.77 and 65,364,297.90 is: 90,197,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,578,441.76 : 162,249,057.77 = 65,364,297.90 : x
  2. Step 2: Convert to fraction form
    117,578,441.76/162,249,057.77 = 65,364,297.90/x
  3. Step 3: Cross multiply
    117,578,441.76x = 162,249,057.77 × 65,364,297.90
  4. Step 4: Simplify right side
    117,578,441.76x = 10,605,295,745,745,768
  5. Step 5: Solve for x
    x = 10,605,295,745,745,768/117,578,441.76
  6. Step 6: Final answer
    x = 90,197,621.15

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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.