Home / 163,367,315.20-245,050,972.80-162,410,721.40

Finding the Fourth Proportional to 163,367,315.20, 245,050,972.80 and 162,410,721.40

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Solution

The fourth proportional to 163,367,315.20, 245,050,972.80 and 162,410,721.40 is: 243,616,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,367,315.20 : 245,050,972.80 = 162,410,721.40 : x
  2. Step 2: Convert to fraction form
    163,367,315.20/245,050,972.80 = 162,410,721.40/x
  3. Step 3: Cross multiply
    163,367,315.20x = 245,050,972.80 × 162,410,721.40
  4. Step 4: Simplify right side
    163,367,315.20x = 39,798,905,272,219,784
  5. Step 5: Solve for x
    x = 39,798,905,272,219,784/163,367,315.20
  6. Step 6: Final answer
    x = 243,616,082.10

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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.