Home / 64,578,448.11-89,118,955.40-35,209,542.45

Finding the Fourth Proportional to 64,578,448.11, 89,118,955.40 and 35,209,542.45

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Solution

The fourth proportional to 64,578,448.11, 89,118,955.40 and 35,209,542.45 is: 48,589,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,578,448.11 : 89,118,955.40 = 35,209,542.45 : x
  2. Step 2: Convert to fraction form
    64,578,448.11/89,118,955.40 = 35,209,542.45/x
  3. Step 3: Cross multiply
    64,578,448.11x = 89,118,955.40 × 35,209,542.45
  4. Step 4: Simplify right side
    64,578,448.11x = 3,137,837,643,079,909
  5. Step 5: Solve for x
    x = 3,137,837,643,079,909/64,578,448.11
  6. Step 6: Final answer
    x = 48,589,548.60

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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.