Home / 60,428,477.40-90,642,716.10-52,208,856.60

Finding the Fourth Proportional to 60,428,477.40, 90,642,716.10 and 52,208,856.60

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Solution

The fourth proportional to 60,428,477.40, 90,642,716.10 and 52,208,856.60 is: 78,313,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,428,477.40 : 90,642,716.10 = 52,208,856.60 : x
  2. Step 2: Convert to fraction form
    60,428,477.40/90,642,716.10 = 52,208,856.60/x
  3. Step 3: Cross multiply
    60,428,477.40x = 90,642,716.10 × 52,208,856.60
  4. Step 4: Simplify right side
    60,428,477.40x = 4,732,352,566,699,411
  5. Step 5: Solve for x
    x = 4,732,352,566,699,411/60,428,477.40
  6. Step 6: Final answer
    x = 78,313,284.90

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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.