Home / 105,094,374.12-145,029,658.95-58,054,683.60

Finding the Fourth Proportional to 105,094,374.12, 145,029,658.95 and 58,054,683.60

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Solution

The fourth proportional to 105,094,374.12, 145,029,658.95 and 58,054,683.60 is: 80,115,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,094,374.12 : 145,029,658.95 = 58,054,683.60 : x
  2. Step 2: Convert to fraction form
    105,094,374.12/145,029,658.95 = 58,054,683.60/x
  3. Step 3: Cross multiply
    105,094,374.12x = 145,029,658.95 × 58,054,683.60
  4. Step 4: Simplify right side
    105,094,374.12x = 8,419,650,962,958,158
  5. Step 5: Solve for x
    x = 8,419,650,962,958,158/105,094,374.12
  6. Step 6: Final answer
    x = 80,115,144.44

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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.