Home / 90,533,985-124,939,917.04-50,848,509.26

Finding the Fourth Proportional to 90,533,985, 124,939,917.04 and 50,848,509.26

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Solution

The fourth proportional to 90,533,985, 124,939,917.04 and 50,848,509.26 is: 70,172,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,533,985 : 124,939,917.04 = 50,848,509.26 : x
  2. Step 2: Convert to fraction form
    90,533,985/124,939,917.04 = 50,848,509.26/x
  3. Step 3: Cross multiply
    90,533,985x = 124,939,917.04 × 50,848,509.26
  4. Step 4: Simplify right side
    90,533,985x = 6,353,008,528,552,072
  5. Step 5: Solve for x
    x = 6,353,008,528,552,072/90,533,985
  6. Step 6: Final answer
    x = 70,172,637.70

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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.