Home / 91,632,005.80-137,448,008.70-40,487,698.60

Finding the Fourth Proportional to 91,632,005.80, 137,448,008.70 and 40,487,698.60

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Solution

The fourth proportional to 91,632,005.80, 137,448,008.70 and 40,487,698.60 is: 60,731,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,632,005.80 : 137,448,008.70 = 40,487,698.60 : x
  2. Step 2: Convert to fraction form
    91,632,005.80/137,448,008.70 = 40,487,698.60/x
  3. Step 3: Cross multiply
    91,632,005.80x = 137,448,008.70 × 40,487,698.60
  4. Step 4: Simplify right side
    91,632,005.80x = 5,564,953,549,415,778
  5. Step 5: Solve for x
    x = 5,564,953,549,415,778/91,632,005.80
  6. Step 6: Final answer
    x = 60,731,547.90

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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.