Home / 117,447,751.40-176,171,627.10-81,168,045.80

Finding the Fourth Proportional to 117,447,751.40, 176,171,627.10 and 81,168,045.80

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Solution

The fourth proportional to 117,447,751.40, 176,171,627.10 and 81,168,045.80 is: 121,752,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,447,751.40 : 176,171,627.10 = 81,168,045.80 : x
  2. Step 2: Convert to fraction form
    117,447,751.40/176,171,627.10 = 81,168,045.80/x
  3. Step 3: Cross multiply
    117,447,751.40x = 176,171,627.10 × 81,168,045.80
  4. Step 4: Simplify right side
    117,447,751.40x = 14,299,506,697,113,320
  5. Step 5: Solve for x
    x = 14,299,506,697,113,320/117,447,751.40
  6. Step 6: Final answer
    x = 121,752,068.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.