Home / 90,443,085.89-135,720,430.28-41,911,893.77

Finding the Fourth Proportional to 90,443,085.89, 135,720,430.28 and 41,911,893.77

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Solution

The fourth proportional to 90,443,085.89, 135,720,430.28 and 41,911,893.77 is: 62,893,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,443,085.89 : 135,720,430.28 = 41,911,893.77 : x
  2. Step 2: Convert to fraction form
    90,443,085.89/135,720,430.28 = 41,911,893.77/x
  3. Step 3: Cross multiply
    90,443,085.89x = 135,720,430.28 × 41,911,893.77
  4. Step 4: Simplify right side
    90,443,085.89x = 5,688,300,255,740,229
  5. Step 5: Solve for x
    x = 5,688,300,255,740,229/90,443,085.89
  6. Step 6: Final answer
    x = 62,893,699.39

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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.