Home / 90,507,220.16-124,904,076.68-53,339,069.08

Finding the Fourth Proportional to 90,507,220.16, 124,904,076.68 and 53,339,069.08

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Solution

The fourth proportional to 90,507,220.16, 124,904,076.68 and 53,339,069.08 is: 73,610,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,507,220.16 : 124,904,076.68 = 53,339,069.08 : x
  2. Step 2: Convert to fraction form
    90,507,220.16/124,904,076.68 = 53,339,069.08/x
  3. Step 3: Cross multiply
    90,507,220.16x = 124,904,076.68 × 53,339,069.08
  4. Step 4: Simplify right side
    90,507,220.16x = 6,662,267,174,408,137
  5. Step 5: Solve for x
    x = 6,662,267,174,408,137/90,507,220.16
  6. Step 6: Final answer
    x = 73,610,339.18

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1.5x scale

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.