Home / 113,746,876.88-156,975,140.58-66,697,411.28

Finding the Fourth Proportional to 113,746,876.88, 156,975,140.58 and 66,697,411.28

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Solution

The fourth proportional to 113,746,876.88, 156,975,140.58 and 66,697,411.28 is: 92,045,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,746,876.88 : 156,975,140.58 = 66,697,411.28 : x
  2. Step 2: Convert to fraction form
    113,746,876.88/156,975,140.58 = 66,697,411.28/x
  3. Step 3: Cross multiply
    113,746,876.88x = 156,975,140.58 × 66,697,411.28
  4. Step 4: Simplify right side
    113,746,876.88x = 10,469,835,512,000,078
  5. Step 5: Solve for x
    x = 10,469,835,512,000,078/113,746,876.88
  6. Step 6: Final answer
    x = 92,045,037.18

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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.