Home / 290,442,091.03-435,755,233.95-103,692,027.69

Finding the Fourth Proportional to 290,442,091.03, 435,755,233.95 and 103,692,027.69

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Solution

The fourth proportional to 290,442,091.03, 435,755,233.95 and 103,692,027.69 is: 155,570,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,442,091.03 : 435,755,233.95 = 103,692,027.69 : x
  2. Step 2: Convert to fraction form
    290,442,091.03/435,755,233.95 = 103,692,027.69/x
  3. Step 3: Cross multiply
    290,442,091.03x = 435,755,233.95 × 103,692,027.69
  4. Step 4: Simplify right side
    290,442,091.03x = 45,184,343,784,416,984
  5. Step 5: Solve for x
    x = 45,184,343,784,416,984/290,442,091.03
  6. Step 6: Final answer
    x = 155,570,921.64

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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.