Home / 113,918,957.64-157,208,916.36-61,707,993.30

Finding the Fourth Proportional to 113,918,957.64, 157,208,916.36 and 61,707,993.30

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Solution

The fourth proportional to 113,918,957.64, 157,208,916.36 and 61,707,993.30 is: 85,157,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,957.64 : 157,208,916.36 = 61,707,993.30 : x
  2. Step 2: Convert to fraction form
    113,918,957.64/157,208,916.36 = 61,707,993.30/x
  3. Step 3: Cross multiply
    113,918,957.64x = 157,208,916.36 × 61,707,993.30
  4. Step 4: Simplify right side
    113,918,957.64x = 9,701,046,757,443,140
  5. Step 5: Solve for x
    x = 9,701,046,757,443,140/113,918,957.64
  6. Step 6: Final answer
    x = 85,157,439.63

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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.