Home / 127,109,041.65-190,408,341.20-107,594,703.09

Finding the Fourth Proportional to 127,109,041.65, 190,408,341.20 and 107,594,703.09

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Solution

The fourth proportional to 127,109,041.65, 190,408,341.20 and 107,594,703.09 is: 161,176,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,109,041.65 : 190,408,341.20 = 107,594,703.09 : x
  2. Step 2: Convert to fraction form
    127,109,041.65/190,408,341.20 = 107,594,703.09/x
  3. Step 3: Cross multiply
    127,109,041.65x = 190,408,341.20 × 107,594,703.09
  4. Step 4: Simplify right side
    127,109,041.65x = 20,486,928,936,735,440
  5. Step 5: Solve for x
    x = 20,486,928,936,735,440/127,109,041.65
  6. Step 6: Final answer
    x = 161,176,016.05

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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.