Home / 144,735,893.64-216,925,973.80-66,907,521.72

Finding the Fourth Proportional to 144,735,893.64, 216,925,973.80 and 66,907,521.72

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Solution

The fourth proportional to 144,735,893.64, 216,925,973.80 and 66,907,521.72 is: 100,279,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,735,893.64 : 216,925,973.80 = 66,907,521.72 : x
  2. Step 2: Convert to fraction form
    144,735,893.64/216,925,973.80 = 66,907,521.72/x
  3. Step 3: Cross multiply
    144,735,893.64x = 216,925,973.80 × 66,907,521.72
  4. Step 4: Simplify right side
    144,735,893.64x = 14,513,979,303,655,652
  5. Step 5: Solve for x
    x = 14,513,979,303,655,652/144,735,893.64
  6. Step 6: Final answer
    x = 100,279,059.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.