Home / 127,790,245.80-191,685,368.70-51,168,263.40

Finding the Fourth Proportional to 127,790,245.80, 191,685,368.70 and 51,168,263.40

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Solution

The fourth proportional to 127,790,245.80, 191,685,368.70 and 51,168,263.40 is: 76,752,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,790,245.80 : 191,685,368.70 = 51,168,263.40 : x
  2. Step 2: Convert to fraction form
    127,790,245.80/191,685,368.70 = 51,168,263.40/x
  3. Step 3: Cross multiply
    127,790,245.80x = 191,685,368.70 × 51,168,263.40
  4. Step 4: Simplify right side
    127,790,245.80x = 9,808,207,435,567,714
  5. Step 5: Solve for x
    x = 9,808,207,435,567,714/127,790,245.80
  6. Step 6: Final answer
    x = 76,752,395.10

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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.