Home / 115,247,479.17-172,871,514-47,090,170.92

Finding the Fourth Proportional to 115,247,479.17, 172,871,514 and 47,090,170.92

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Solution

The fourth proportional to 115,247,479.17, 172,871,514 and 47,090,170.92 is: 70,635,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247,479.17 : 172,871,514 = 47,090,170.92 : x
  2. Step 2: Convert to fraction form
    115,247,479.17/172,871,514 = 47,090,170.92/x
  3. Step 3: Cross multiply
    115,247,479.17x = 172,871,514 × 47,090,170.92
  4. Step 4: Simplify right side
    115,247,479.17x = 8,140,549,141,459,173
  5. Step 5: Solve for x
    x = 8,140,549,141,459,173/115,247,479.17
  6. Step 6: Final answer
    x = 70,635,377.02

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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.