Home / 61,189,272.40-91,571,332.20-56,087,438.80

Finding the Fourth Proportional to 61,189,272.40, 91,571,332.20 and 56,087,438.80

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Solution

The fourth proportional to 61,189,272.40, 91,571,332.20 and 56,087,438.80 is: 83,936,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189,272.40 : 91,571,332.20 = 56,087,438.80 : x
  2. Step 2: Convert to fraction form
    61,189,272.40/91,571,332.20 = 56,087,438.80/x
  3. Step 3: Cross multiply
    61,189,272.40x = 91,571,332.20 × 56,087,438.80
  4. Step 4: Simplify right side
    61,189,272.40x = 5,136,001,490,601,969
  5. Step 5: Solve for x
    x = 5,136,001,490,601,969/61,189,272.40
  6. Step 6: Final answer
    x = 83,936,305.98

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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.