Home / 145,926,454-201,381,072.60-79,852,732.24

Finding the Fourth Proportional to 145,926,454, 201,381,072.60 and 79,852,732.24

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Solution

The fourth proportional to 145,926,454, 201,381,072.60 and 79,852,732.24 is: 110,198,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,926,454 : 201,381,072.60 = 79,852,732.24 : x
  2. Step 2: Convert to fraction form
    145,926,454/201,381,072.60 = 79,852,732.24/x
  3. Step 3: Cross multiply
    145,926,454x = 201,381,072.60 × 79,852,732.24
  4. Step 4: Simplify right side
    145,926,454x = 16,080,828,868,531,800
  5. Step 5: Solve for x
    x = 16,080,828,868,531,800/145,926,454
  6. Step 6: Final answer
    x = 110,198,174.68

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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.