Home / 120,348,852.08-166,079,711.76-68,136,530.72

Finding the Fourth Proportional to 120,348,852.08, 166,079,711.76 and 68,136,530.72

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Solution

The fourth proportional to 120,348,852.08, 166,079,711.76 and 68,136,530.72 is: 94,027,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,348,852.08 : 166,079,711.76 = 68,136,530.72 : x
  2. Step 2: Convert to fraction form
    120,348,852.08/166,079,711.76 = 68,136,530.72/x
  3. Step 3: Cross multiply
    120,348,852.08x = 166,079,711.76 × 68,136,530.72
  4. Step 4: Simplify right side
    120,348,852.08x = 11,316,095,382,303,984
  5. Step 5: Solve for x
    x = 11,316,095,382,303,984/120,348,852.08
  6. Step 6: Final answer
    x = 94,027,447.60

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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.