Home / 162,208,612.40-243,336,538.20-53,007,328.40

Finding the Fourth Proportional to 162,208,612.40, 243,336,538.20 and 53,007,328.40

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Solution

The fourth proportional to 162,208,612.40, 243,336,538.20 and 53,007,328.40 is: 79,518,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,208,612.40 : 243,336,538.20 = 53,007,328.40 : x
  2. Step 2: Convert to fraction form
    162,208,612.40/243,336,538.20 = 53,007,328.40/x
  3. Step 3: Cross multiply
    162,208,612.40x = 243,336,538.20 × 53,007,328.40
  4. Step 4: Simplify right side
    162,208,612.40x = 12,898,619,792,086,544
  5. Step 5: Solve for x
    x = 12,898,619,792,086,544/162,208,612.40
  6. Step 6: Final answer
    x = 79,518,711.13

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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.