Home / 115,247,476.23-172,871,509.59-47,090,167.98

Finding the Fourth Proportional to 115,247,476.23, 172,871,509.59 and 47,090,167.98

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Solution

The fourth proportional to 115,247,476.23, 172,871,509.59 and 47,090,167.98 is: 70,635,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247,476.23 : 172,871,509.59 = 47,090,167.98 : x
  2. Step 2: Convert to fraction form
    115,247,476.23/172,871,509.59 = 47,090,167.98/x
  3. Step 3: Cross multiply
    115,247,476.23x = 172,871,509.59 × 47,090,167.98
  4. Step 4: Simplify right side
    115,247,476.23x = 8,140,548,425,549,281
  5. Step 5: Solve for x
    x = 8,140,548,425,549,281/115,247,476.23
  6. Step 6: Final answer
    x = 70,635,372.61

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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.