Home / 77,340,916-106,728,332.56-42,533,605.60

Finding the Fourth Proportional to 77,340,916, 106,728,332.56 and 42,533,605.60

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Solution

The fourth proportional to 77,340,916, 106,728,332.56 and 42,533,605.60 is: 58,695,203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340,916 : 106,728,332.56 = 42,533,605.60 : x
  2. Step 2: Convert to fraction form
    77,340,916/106,728,332.56 = 42,533,605.60/x
  3. Step 3: Cross multiply
    77,340,916x = 106,728,332.56 × 42,533,605.60
  4. Step 4: Simplify right side
    77,340,916x = 4,539,540,803,452,679
  5. Step 5: Solve for x
    x = 4,539,540,803,452,679/77,340,916
  6. Step 6: Final answer
    x = 58,695,203.50

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1.5x scale

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.