Home / 42,965,646.40-64,448,469.60-41,286,030.40

Finding the Fourth Proportional to 42,965,646.40, 64,448,469.60 and 41,286,030.40

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Solution

The fourth proportional to 42,965,646.40, 64,448,469.60 and 41,286,030.40 is: 61,929,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,965,646.40 : 64,448,469.60 = 41,286,030.40 : x
  2. Step 2: Convert to fraction form
    42,965,646.40/64,448,469.60 = 41,286,030.40/x
  3. Step 3: Cross multiply
    42,965,646.40x = 64,448,469.60 × 41,286,030.40
  4. Step 4: Simplify right side
    42,965,646.40x = 2,660,821,475,139,076
  5. Step 5: Solve for x
    x = 2,660,821,475,139,076/42,965,646.40
  6. Step 6: Final answer
    x = 61,929,045.60

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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.