Home / 90,630,430.40-135,926,752.80-33,149,777.60

Finding the Fourth Proportional to 90,630,430.40, 135,926,752.80 and 33,149,777.60

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Solution

The fourth proportional to 90,630,430.40, 135,926,752.80 and 33,149,777.60 is: 49,717,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,630,430.40 : 135,926,752.80 = 33,149,777.60 : x
  2. Step 2: Convert to fraction form
    90,630,430.40/135,926,752.80 = 33,149,777.60/x
  3. Step 3: Cross multiply
    90,630,430.40x = 135,926,752.80 × 33,149,777.60
  4. Step 4: Simplify right side
    90,630,430.40x = 4,505,941,625,210,178
  5. Step 5: Solve for x
    x = 4,505,941,625,210,178/90,630,430.40
  6. Step 6: Final answer
    x = 49,717,756.00

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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.