Home / 163,564,442.20-245,480,507.70-162,288,983.80

Finding the Fourth Proportional to 163,564,442.20, 245,480,507.70 and 162,288,983.80

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Solution

The fourth proportional to 163,564,442.20, 245,480,507.70 and 162,288,983.80 is: 243,566,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,564,442.20 : 245,480,507.70 = 162,288,983.80 : x
  2. Step 2: Convert to fraction form
    163,564,442.20/245,480,507.70 = 162,288,983.80/x
  3. Step 3: Cross multiply
    163,564,442.20x = 245,480,507.70 × 162,288,983.80
  4. Step 4: Simplify right side
    163,564,442.20x = 39,838,782,137,341,080
  5. Step 5: Solve for x
    x = 39,838,782,137,341,080/163,564,442.20
  6. Step 6: Final answer
    x = 243,566,276.40

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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.