Home / 65,798,574.91-90,808,126.47-36,429,907.96

Finding the Fourth Proportional to 65,798,574.91, 90,808,126.47 and 36,429,907.96

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Solution

The fourth proportional to 65,798,574.91, 90,808,126.47 and 36,429,907.96 is: 50,276,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,798,574.91 : 90,808,126.47 = 36,429,907.96 : x
  2. Step 2: Convert to fraction form
    65,798,574.91/90,808,126.47 = 36,429,907.96/x
  3. Step 3: Cross multiply
    65,798,574.91x = 90,808,126.47 × 36,429,907.96
  4. Step 4: Simplify right side
    65,798,574.91x = 3,308,131,689,322,139.50
  5. Step 5: Solve for x
    x = 3,308,131,689,322,139.50/65,798,574.91
  6. Step 6: Final answer
    x = 50,276,646.48

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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.