Home / 113,909,503.63-157,186,954.24-66,868,487.14

Finding the Fourth Proportional to 113,909,503.63, 157,186,954.24 and 66,868,487.14

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Solution

The fourth proportional to 113,909,503.63, 157,186,954.24 and 66,868,487.14 is: 92,273,721.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,909,503.63 : 157,186,954.24 = 66,868,487.14 : x
  2. Step 2: Convert to fraction form
    113,909,503.63/157,186,954.24 = 66,868,487.14/x
  3. Step 3: Cross multiply
    113,909,503.63x = 157,186,954.24 × 66,868,487.14
  4. Step 4: Simplify right side
    113,909,503.63x = 10,510,853,828,173,210
  5. Step 5: Solve for x
    x = 10,510,853,828,173,210/113,909,503.63
  6. Step 6: Final answer
    x = 92,273,721.62

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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.