Home / 219,359,778.45-302,720,152.73-118,891,423.28

Finding the Fourth Proportional to 219,359,778.45, 302,720,152.73 and 118,891,423.28

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Solution

The fourth proportional to 219,359,778.45, 302,720,152.73 and 118,891,423.28 is: 164,072,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,359,778.45 : 302,720,152.73 = 118,891,423.28 : x
  2. Step 2: Convert to fraction form
    219,359,778.45/302,720,152.73 = 118,891,423.28/x
  3. Step 3: Cross multiply
    219,359,778.45x = 302,720,152.73 × 118,891,423.28
  4. Step 4: Simplify right side
    219,359,778.45x = 35,990,829,811,500,624
  5. Step 5: Solve for x
    x = 35,990,829,811,500,624/219,359,778.45
  6. Step 6: Final answer
    x = 164,072,146.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.