Home / 76,623,849.60-105,739,436.95-41,816,789.16

Finding the Fourth Proportional to 76,623,849.60, 105,739,436.95 and 41,816,789.16

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Solution

The fourth proportional to 76,623,849.60, 105,739,436.95 and 41,816,789.16 is: 57,706,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623,849.60 : 105,739,436.95 = 41,816,789.16 : x
  2. Step 2: Convert to fraction form
    76,623,849.60/105,739,436.95 = 41,816,789.16/x
  3. Step 3: Cross multiply
    76,623,849.60x = 105,739,436.95 × 41,816,789.16
  4. Step 4: Simplify right side
    76,623,849.60x = 4,421,683,740,334,199
  5. Step 5: Solve for x
    x = 4,421,683,740,334,199/76,623,849.60
  6. Step 6: Final answer
    x = 57,706,363.79

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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.