Home / 90,139,480.22-135,209,010.07-59,210,369.15

Finding the Fourth Proportional to 90,139,480.22, 135,209,010.07 and 59,210,369.15

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Solution

The fourth proportional to 90,139,480.22, 135,209,010.07 and 59,210,369.15 is: 88,815,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,139,480.22 : 135,209,010.07 = 59,210,369.15 : x
  2. Step 2: Convert to fraction form
    90,139,480.22/135,209,010.07 = 59,210,369.15/x
  3. Step 3: Cross multiply
    90,139,480.22x = 135,209,010.07 × 59,210,369.15
  4. Step 4: Simplify right side
    90,139,480.22x = 8,005,775,398,048,735
  5. Step 5: Solve for x
    x = 8,005,775,398,048,735/90,139,480.22
  6. Step 6: Final answer
    x = 88,815,415.60

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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.