Home / 220,143,991.61-330,216,048.95-64,697,791.32

Finding the Fourth Proportional to 220,143,991.61, 330,216,048.95 and 64,697,791.32

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Solution

The fourth proportional to 220,143,991.61, 330,216,048.95 and 64,697,791.32 is: 97,046,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,143,991.61 : 330,216,048.95 = 64,697,791.32 : x
  2. Step 2: Convert to fraction form
    220,143,991.61/330,216,048.95 = 64,697,791.32/x
  3. Step 3: Cross multiply
    220,143,991.61x = 330,216,048.95 × 64,697,791.32
  4. Step 4: Simplify right side
    220,143,991.61x = 21,364,249,025,158,516
  5. Step 5: Solve for x
    x = 21,364,249,025,158,516/220,143,991.61
  6. Step 6: Final answer
    x = 97,046,705.06

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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.