Home / 76,440,486.60-105,499,852.29-45,081,982.35

Finding the Fourth Proportional to 76,440,486.60, 105,499,852.29 and 45,081,982.35

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Solution

The fourth proportional to 76,440,486.60, 105,499,852.29 and 45,081,982.35 is: 62,220,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,440,486.60 : 105,499,852.29 = 45,081,982.35 : x
  2. Step 2: Convert to fraction form
    76,440,486.60/105,499,852.29 = 45,081,982.35/x
  3. Step 3: Cross multiply
    76,440,486.60x = 105,499,852.29 × 45,081,982.35
  4. Step 4: Simplify right side
    76,440,486.60x = 4,756,142,478,865,388
  5. Step 5: Solve for x
    x = 4,756,142,478,865,388/76,440,486.60
  6. Step 6: Final answer
    x = 62,220,201.50

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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.