Home / 78,350,727,324.96-117,353,823,279.12-64,750,881,100.32

Finding the Fourth Proportional to 78,350,727,324.96, 117,353,823,279.12 and 64,750,881,100.32

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Solution

The fourth proportional to 78,350,727,324.96, 117,353,823,279.12 and 64,750,881,100.32 is: 96,983,955,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,350,727,324.96 : 117,353,823,279.12 = 64,750,881,100.32 : x
  2. Step 2: Convert to fraction form
    78,350,727,324.96/117,353,823,279.12 = 64,750,881,100.32/x
  3. Step 3: Cross multiply
    78,350,727,324.96x = 117,353,823,279.12 × 64,750,881,100.32
  4. Step 4: Simplify right side
    78,350,727,324.96x = 7,598,763,457,814,264,283,136
  5. Step 5: Solve for x
    x = 7,598,763,457,814,264,283,136/78,350,727,324.96
  6. Step 6: Final answer
    x = 96,983,955,570.68

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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.