Home / 91,032,326.40-136,548,489.60-52,130,845.20

Finding the Fourth Proportional to 91,032,326.40, 136,548,489.60 and 52,130,845.20

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Solution

The fourth proportional to 91,032,326.40, 136,548,489.60 and 52,130,845.20 is: 78,196,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,032,326.40 : 136,548,489.60 = 52,130,845.20 : x
  2. Step 2: Convert to fraction form
    91,032,326.40/136,548,489.60 = 52,130,845.20/x
  3. Step 3: Cross multiply
    91,032,326.40x = 136,548,489.60 × 52,130,845.20
  4. Step 4: Simplify right side
    91,032,326.40x = 7,118,388,173,631,410
  5. Step 5: Solve for x
    x = 7,118,388,173,631,410/91,032,326.40
  6. Step 6: Final answer
    x = 78,196,267.80

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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.