Home / 85,314,159.23-117,734,391.20-46,156,776.55

Finding the Fourth Proportional to 85,314,159.23, 117,734,391.20 and 46,156,776.55

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Solution

The fourth proportional to 85,314,159.23, 117,734,391.20 and 46,156,776.55 is: 63,696,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,314,159.23 : 117,734,391.20 = 46,156,776.55 : x
  2. Step 2: Convert to fraction form
    85,314,159.23/117,734,391.20 = 46,156,776.55/x
  3. Step 3: Cross multiply
    85,314,159.23x = 117,734,391.20 × 46,156,776.55
  4. Step 4: Simplify right side
    85,314,159.23x = 5,434,239,986,689,742
  5. Step 5: Solve for x
    x = 5,434,239,986,689,742/85,314,159.23
  6. Step 6: Final answer
    x = 63,696,812.30

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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.