Home / 122,255,642.02-168,713,675.40-66,501,543.82

Finding the Fourth Proportional to 122,255,642.02, 168,713,675.40 and 66,501,543.82

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Solution

The fourth proportional to 122,255,642.02, 168,713,675.40 and 66,501,543.82 is: 91,772,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,255,642.02 : 168,713,675.40 = 66,501,543.82 : x
  2. Step 2: Convert to fraction form
    122,255,642.02/168,713,675.40 = 66,501,543.82/x
  3. Step 3: Cross multiply
    122,255,642.02x = 168,713,675.40 × 66,501,543.82
  4. Step 4: Simplify right side
    122,255,642.02x = 11,219,719,877,646,356
  5. Step 5: Solve for x
    x = 11,219,719,877,646,356/122,255,642.02
  6. Step 6: Final answer
    x = 91,772,614.27

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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.