Home / 113,880,472.56-157,155,203.68-61,669,598.24

Finding the Fourth Proportional to 113,880,472.56, 157,155,203.68 and 61,669,598.24

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Solution

The fourth proportional to 113,880,472.56, 157,155,203.68 and 61,669,598.24 is: 85,104,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,880,472.56 : 157,155,203.68 = 61,669,598.24 : x
  2. Step 2: Convert to fraction form
    113,880,472.56/157,155,203.68 = 61,669,598.24/x
  3. Step 3: Cross multiply
    113,880,472.56x = 157,155,203.68 × 61,669,598.24
  4. Step 4: Simplify right side
    113,880,472.56x = 9,691,698,272,270,970
  5. Step 5: Solve for x
    x = 9,691,698,272,270,970/113,880,472.56
  6. Step 6: Final answer
    x = 85,104,127.64

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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.