Home / 292,334,356.67-438,570,290.03-85,077,238.01

Finding the Fourth Proportional to 292,334,356.67, 438,570,290.03 and 85,077,238.01

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Solution

The fourth proportional to 292,334,356.67, 438,570,290.03 and 85,077,238.01 is: 127,635,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,334,356.67 : 438,570,290.03 = 85,077,238.01 : x
  2. Step 2: Convert to fraction form
    292,334,356.67/438,570,290.03 = 85,077,238.01/x
  3. Step 3: Cross multiply
    292,334,356.67x = 438,570,290.03 × 85,077,238.01
  4. Step 4: Simplify right side
    292,334,356.67x = 37,312,348,946,378,800
  5. Step 5: Solve for x
    x = 37,312,348,946,378,800/292,334,356.67
  6. Step 6: Final answer
    x = 127,635,866.59

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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.