Home / 285,368,384.18-427,947,582.03-98,574,790.55

Finding the Fourth Proportional to 285,368,384.18, 427,947,582.03 and 98,574,790.55

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Solution

The fourth proportional to 285,368,384.18, 427,947,582.03 and 98,574,790.55 is: 147,825,917.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,368,384.18 : 427,947,582.03 = 98,574,790.55 : x
  2. Step 2: Convert to fraction form
    285,368,384.18/427,947,582.03 = 98,574,790.55/x
  3. Step 3: Cross multiply
    285,368,384.18x = 427,947,582.03 × 98,574,790.55
  4. Step 4: Simplify right side
    285,368,384.18x = 42,184,843,262,846,456
  5. Step 5: Solve for x
    x = 42,184,843,262,846,456/285,368,384.18
  6. Step 6: Final answer
    x = 147,825,917.66

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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.