Home / 134,569,558.89-185,706,072.63-72,689,924.79

Finding the Fourth Proportional to 134,569,558.89, 185,706,072.63 and 72,689,924.79

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Solution

The fourth proportional to 134,569,558.89, 185,706,072.63 and 72,689,924.79 is: 100,312,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,558.89 : 185,706,072.63 = 72,689,924.79 : x
  2. Step 2: Convert to fraction form
    134,569,558.89/185,706,072.63 = 72,689,924.79/x
  3. Step 3: Cross multiply
    134,569,558.89x = 185,706,072.63 × 72,689,924.79
  4. Step 4: Simplify right side
    134,569,558.89x = 13,498,960,452,520,978
  5. Step 5: Solve for x
    x = 13,498,960,452,520,978/134,569,558.89
  6. Step 6: Final answer
    x = 100,312,140.16

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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.