Home / 119,520,796,534.40-164,938,298,781.76-65,327,313,779.60

Finding the Fourth Proportional to 119,520,796,534.40, 164,938,298,781.76 and 65,327,313,779.60

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Solution

The fourth proportional to 119,520,796,534.40, 164,938,298,781.76 and 65,327,313,779.60 is: 90,151,474,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,520,796,534.40 : 164,938,298,781.76 = 65,327,313,779.60 : x
  2. Step 2: Convert to fraction form
    119,520,796,534.40/164,938,298,781.76 = 65,327,313,779.60/x
  3. Step 3: Cross multiply
    119,520,796,534.40x = 164,938,298,781.76 × 65,327,313,779.60
  4. Step 4: Simplify right side
    119,520,796,534.40x = 10,774,975,998,788,628,381,696
  5. Step 5: Solve for x
    x = 10,774,975,998,788,628,381,696/119,520,796,534.40
  6. Step 6: Final answer
    x = 90,151,474,146.91

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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.