Home / 56,709,946.80-84,875,963.40-52,174,983.60

Finding the Fourth Proportional to 56,709,946.80, 84,875,963.40 and 52,174,983.60

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Solution

The fourth proportional to 56,709,946.80, 84,875,963.40 and 52,174,983.60 is: 78,088,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,709,946.80 : 84,875,963.40 = 52,174,983.60 : x
  2. Step 2: Convert to fraction form
    56,709,946.80/84,875,963.40 = 52,174,983.60/x
  3. Step 3: Cross multiply
    56,709,946.80x = 84,875,963.40 × 52,174,983.60
  4. Step 4: Simplify right side
    56,709,946.80x = 4,428,401,998,429,200.50
  5. Step 5: Solve for x
    x = 4,428,401,998,429,200.50/56,709,946.80
  6. Step 6: Final answer
    x = 78,088,629.04

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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.