Home / 208,443,900.02-312,668,510.97-55,088,631.50

Finding the Fourth Proportional to 208,443,900.02, 312,668,510.97 and 55,088,631.50

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Solution

The fourth proportional to 208,443,900.02, 312,668,510.97 and 55,088,631.50 is: 82,633,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,443,900.02 : 312,668,510.97 = 55,088,631.50 : x
  2. Step 2: Convert to fraction form
    208,443,900.02/312,668,510.97 = 55,088,631.50/x
  3. Step 3: Cross multiply
    208,443,900.02x = 312,668,510.97 × 55,088,631.50
  4. Step 4: Simplify right side
    208,443,900.02x = 17,224,480,382,480,040
  5. Step 5: Solve for x
    x = 17,224,480,382,480,040/208,443,900.02
  6. Step 6: Final answer
    x = 82,633,650.50

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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.