Home / 549,072,791.40-823,608,526.11-140,128,985.64

Finding the Fourth Proportional to 549,072,791.40, 823,608,526.11 and 140,128,985.64

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Solution

The fourth proportional to 549,072,791.40, 823,608,526.11 and 140,128,985.64 is: 210,193,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,072,791.40 : 823,608,526.11 = 140,128,985.64 : x
  2. Step 2: Convert to fraction form
    549,072,791.40/823,608,526.11 = 140,128,985.64/x
  3. Step 3: Cross multiply
    549,072,791.40x = 823,608,526.11 × 140,128,985.64
  4. Step 4: Simplify right side
    549,072,791.40x = 115,411,427,328,249,744
  5. Step 5: Solve for x
    x = 115,411,427,328,249,744/549,072,791.40
  6. Step 6: Final answer
    x = 210,193,309.77

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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.