Home / 131,248,254.80-196,777,903.80-73,758,148.40

Finding the Fourth Proportional to 131,248,254.80, 196,777,903.80 and 73,758,148.40

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Solution

The fourth proportional to 131,248,254.80, 196,777,903.80 and 73,758,148.40 is: 110,584,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,248,254.80 : 196,777,903.80 = 73,758,148.40 : x
  2. Step 2: Convert to fraction form
    131,248,254.80/196,777,903.80 = 73,758,148.40/x
  3. Step 3: Cross multiply
    131,248,254.80x = 196,777,903.80 × 73,758,148.40
  4. Step 4: Simplify right side
    131,248,254.80x = 14,513,973,830,321,326
  5. Step 5: Solve for x
    x = 14,513,973,830,321,326/131,248,254.80
  6. Step 6: Final answer
    x = 110,584,128.17

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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.