Home / 113,909,500.13-157,186,949.42-66,868,483.64

Finding the Fourth Proportional to 113,909,500.13, 157,186,949.42 and 66,868,483.64

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Solution

The fourth proportional to 113,909,500.13, 157,186,949.42 and 66,868,483.64 is: 92,273,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,909,500.13 : 157,186,949.42 = 66,868,483.64 : x
  2. Step 2: Convert to fraction form
    113,909,500.13/157,186,949.42 = 66,868,483.64/x
  3. Step 3: Cross multiply
    113,909,500.13x = 157,186,949.42 × 66,868,483.64
  4. Step 4: Simplify right side
    113,909,500.13x = 10,510,852,955,094,014
  5. Step 5: Solve for x
    x = 10,510,852,955,094,014/113,909,500.13
  6. Step 6: Final answer
    x = 92,273,716.80

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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.