Home / 90,115,966.09-124,362,478.53-50,963,597.72

Finding the Fourth Proportional to 90,115,966.09, 124,362,478.53 and 50,963,597.72

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Solution

The fourth proportional to 90,115,966.09, 124,362,478.53 and 50,963,597.72 is: 70,331,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,115,966.09 : 124,362,478.53 = 50,963,597.72 : x
  2. Step 2: Convert to fraction form
    90,115,966.09/124,362,478.53 = 50,963,597.72/x
  3. Step 3: Cross multiply
    90,115,966.09x = 124,362,478.53 × 50,963,597.72
  4. Step 4: Simplify right side
    90,115,966.09x = 6,337,959,327,038,255
  5. Step 5: Solve for x
    x = 6,337,959,327,038,255/90,115,966.09
  6. Step 6: Final answer
    x = 70,331,147.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.