Home / 52,428,031.80-78,810,009.30-37,386,137.40

Finding the Fourth Proportional to 52,428,031.80, 78,810,009.30 and 37,386,137.40

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Solution

The fourth proportional to 52,428,031.80, 78,810,009.30 and 37,386,137.40 is: 56,198,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428,031.80 : 78,810,009.30 = 37,386,137.40 : x
  2. Step 2: Convert to fraction form
    52,428,031.80/78,810,009.30 = 37,386,137.40/x
  3. Step 3: Cross multiply
    52,428,031.80x = 78,810,009.30 × 37,386,137.40
  4. Step 4: Simplify right side
    52,428,031.80x = 2,946,401,836,185,077.50
  5. Step 5: Solve for x
    x = 2,946,401,836,185,077.50/52,428,031.80
  6. Step 6: Final answer
    x = 56,198,978.58

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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.