Home / 57,246,320.55-78,999,862.57-31,140,776.12

Finding the Fourth Proportional to 57,246,320.55, 78,999,862.57 and 31,140,776.12

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Solution

The fourth proportional to 57,246,320.55, 78,999,862.57 and 31,140,776.12 is: 42,974,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,246,320.55 : 78,999,862.57 = 31,140,776.12 : x
  2. Step 2: Convert to fraction form
    57,246,320.55/78,999,862.57 = 31,140,776.12/x
  3. Step 3: Cross multiply
    57,246,320.55x = 78,999,862.57 × 31,140,776.12
  4. Step 4: Simplify right side
    57,246,320.55x = 2,460,117,033,803,137.50
  5. Step 5: Solve for x
    x = 2,460,117,033,803,137.50/57,246,320.55
  6. Step 6: Final answer
    x = 42,974,238.52

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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.