Home / 57,370,681-79,171,541.40-31,616,569

Finding the Fourth Proportional to 57,370,681, 79,171,541.40 and 31,616,569

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Solution

The fourth proportional to 57,370,681, 79,171,541.40 and 31,616,569 is: 43,630,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,370,681 : 79,171,541.40 = 31,616,569 : x
  2. Step 2: Convert to fraction form
    57,370,681/79,171,541.40 = 31,616,569/x
  3. Step 3: Cross multiply
    57,370,681x = 79,171,541.40 × 31,616,569
  4. Step 4: Simplify right side
    57,370,681x = 2,503,132,501,509,457
  5. Step 5: Solve for x
    x = 2,503,132,501,509,457/57,370,681
  6. Step 6: Final answer
    x = 43,630,866.11

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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.