Home / 163,971,717.40-245,957,576.10-42,803,169.40

Finding the Fourth Proportional to 163,971,717.40, 245,957,576.10 and 42,803,169.40

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Solution

The fourth proportional to 163,971,717.40, 245,957,576.10 and 42,803,169.40 is: 64,204,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,971,717.40 : 245,957,576.10 = 42,803,169.40 : x
  2. Step 2: Convert to fraction form
    163,971,717.40/245,957,576.10 = 42,803,169.40/x
  3. Step 3: Cross multiply
    163,971,717.40x = 245,957,576.10 × 42,803,169.40
  4. Step 4: Simplify right side
    163,971,717.40x = 10,527,763,795,021,690
  5. Step 5: Solve for x
    x = 10,527,763,795,021,690/163,971,717.40
  6. Step 6: Final answer
    x = 64,204,754.10

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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.