Home / 145,550,956.77-200,863,117.02-79,474,073.94

Finding the Fourth Proportional to 145,550,956.77, 200,863,117.02 and 79,474,073.94

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Solution

The fourth proportional to 145,550,956.77, 200,863,117.02 and 79,474,073.94 is: 109,675,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,550,956.77 : 200,863,117.02 = 79,474,073.94 : x
  2. Step 2: Convert to fraction form
    145,550,956.77/200,863,117.02 = 79,474,073.94/x
  3. Step 3: Cross multiply
    145,550,956.77x = 200,863,117.02 × 79,474,073.94
  4. Step 4: Simplify right side
    145,550,956.77x = 15,963,410,213,866,352
  5. Step 5: Solve for x
    x = 15,963,410,213,866,352/145,550,956.77
  6. Step 6: Final answer
    x = 109,675,749.09

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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.