Home / 122,738,490,138.51-169,354,550,904.48-68,536,699,030.01

Finding the Fourth Proportional to 122,738,490,138.51, 169,354,550,904.48 and 68,536,699,030.01

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Solution

The fourth proportional to 122,738,490,138.51, 169,354,550,904.48 and 68,536,699,030.01 is: 94,566,927,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,738,490,138.51 : 169,354,550,904.48 = 68,536,699,030.01 : x
  2. Step 2: Convert to fraction form
    122,738,490,138.51/169,354,550,904.48 = 68,536,699,030.01/x
  3. Step 3: Cross multiply
    122,738,490,138.51x = 169,354,550,904.48 × 68,536,699,030.01
  4. Step 4: Simplify right side
    122,738,490,138.51x = 11,607,001,884,702,007,099,392
  5. Step 5: Solve for x
    x = 11,607,001,884,702,007,099,392/122,738,490,138.51
  6. Step 6: Final answer
    x = 94,566,927,388.50

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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.