Home / 116,154,426.60-174,231,639.90-81,386,375.40

Finding the Fourth Proportional to 116,154,426.60, 174,231,639.90 and 81,386,375.40

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Solution

The fourth proportional to 116,154,426.60, 174,231,639.90 and 81,386,375.40 is: 122,079,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,154,426.60 : 174,231,639.90 = 81,386,375.40 : x
  2. Step 2: Convert to fraction form
    116,154,426.60/174,231,639.90 = 81,386,375.40/x
  3. Step 3: Cross multiply
    116,154,426.60x = 174,231,639.90 × 81,386,375.40
  4. Step 4: Simplify right side
    116,154,426.60x = 14,180,081,651,459,020
  5. Step 5: Solve for x
    x = 14,180,081,651,459,020/116,154,426.60
  6. Step 6: Final answer
    x = 122,079,563.10

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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.