Home / 162,208,609.40-243,336,533.70-53,007,325.40

Finding the Fourth Proportional to 162,208,609.40, 243,336,533.70 and 53,007,325.40

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Solution

The fourth proportional to 162,208,609.40, 243,336,533.70 and 53,007,325.40 is: 79,518,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,208,609.40 : 243,336,533.70 = 53,007,325.40 : x
  2. Step 2: Convert to fraction form
    162,208,609.40/243,336,533.70 = 53,007,325.40/x
  3. Step 3: Cross multiply
    162,208,609.40x = 243,336,533.70 × 53,007,325.40
  4. Step 4: Simplify right side
    162,208,609.40x = 12,898,618,823,543,964
  5. Step 5: Solve for x
    x = 12,898,618,823,543,964/162,208,609.40
  6. Step 6: Final answer
    x = 79,518,706.63

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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.