Home / 90,660,547.15-125,110,358.22-50,426,271.70

Finding the Fourth Proportional to 90,660,547.15, 125,110,358.22 and 50,426,271.70

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Solution

The fourth proportional to 90,660,547.15, 125,110,358.22 and 50,426,271.70 is: 69,587,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,660,547.15 : 125,110,358.22 = 50,426,271.70 : x
  2. Step 2: Convert to fraction form
    90,660,547.15/125,110,358.22 = 50,426,271.70/x
  3. Step 3: Cross multiply
    90,660,547.15x = 125,110,358.22 × 50,426,271.70
  4. Step 4: Simplify right side
    90,660,547.15x = 6,308,848,915,962,370
  5. Step 5: Solve for x
    x = 6,308,848,915,962,370/90,660,547.15
  6. Step 6: Final answer
    x = 69,587,589.25

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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.