Home / 64,506,564.94-89,016,542.12-39,430,656.22

Finding the Fourth Proportional to 64,506,564.94, 89,016,542.12 and 39,430,656.22

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Solution

The fourth proportional to 64,506,564.94, 89,016,542.12 and 39,430,656.22 is: 54,412,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,506,564.94 : 89,016,542.12 = 39,430,656.22 : x
  2. Step 2: Convert to fraction form
    64,506,564.94/89,016,542.12 = 39,430,656.22/x
  3. Step 3: Cross multiply
    64,506,564.94x = 89,016,542.12 × 39,430,656.22
  4. Step 4: Simplify right side
    64,506,564.94x = 3,509,980,670,102,905.50
  5. Step 5: Solve for x
    x = 3,509,980,670,102,905.50/64,506,564.94
  6. Step 6: Final answer
    x = 54,412,766.72

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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.