Home / 105,181,935.12-145,156,677.48-58,773,315.60

Finding the Fourth Proportional to 105,181,935.12, 145,156,677.48 and 58,773,315.60

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Solution

The fourth proportional to 105,181,935.12, 145,156,677.48 and 58,773,315.60 is: 81,110,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,181,935.12 : 145,156,677.48 = 58,773,315.60 : x
  2. Step 2: Convert to fraction form
    105,181,935.12/145,156,677.48 = 58,773,315.60/x
  3. Step 3: Cross multiply
    105,181,935.12x = 145,156,677.48 × 58,773,315.60
  4. Step 4: Simplify right side
    105,181,935.12x = 8,531,339,216,979,452
  5. Step 5: Solve for x
    x = 8,531,339,216,979,452/105,181,935.12
  6. Step 6: Final answer
    x = 81,110,308.60

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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.