Home / 122,255,705.27-168,713,762.82-66,501,607.07

Finding the Fourth Proportional to 122,255,705.27, 168,713,762.82 and 66,501,607.07

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Solution

The fourth proportional to 122,255,705.27, 168,713,762.82 and 66,501,607.07 is: 91,772,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,255,705.27 : 168,713,762.82 = 66,501,607.07 : x
  2. Step 2: Convert to fraction form
    122,255,705.27/168,713,762.82 = 66,501,607.07/x
  3. Step 3: Cross multiply
    122,255,705.27x = 168,713,762.82 × 66,501,607.07
  4. Step 4: Simplify right side
    122,255,705.27x = 11,219,736,362,356,814
  5. Step 5: Solve for x
    x = 11,219,736,362,356,814/122,255,705.27
  6. Step 6: Final answer
    x = 91,772,701.63

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1.5x scale

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.