Home / 127,938,853.62-191,908,842.17-40,500,800.01

Finding the Fourth Proportional to 127,938,853.62, 191,908,842.17 and 40,500,800.01

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Solution

The fourth proportional to 127,938,853.62, 191,908,842.17 and 40,500,800.01 is: 60,751,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,938,853.62 : 191,908,842.17 = 40,500,800.01 : x
  2. Step 2: Convert to fraction form
    127,938,853.62/191,908,842.17 = 40,500,800.01/x
  3. Step 3: Cross multiply
    127,938,853.62x = 191,908,842.17 × 40,500,800.01
  4. Step 4: Simplify right side
    127,938,853.62x = 7,772,461,636,675,320
  5. Step 5: Solve for x
    x = 7,772,461,636,675,320/127,938,853.62
  6. Step 6: Final answer
    x = 60,751,377.84

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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.