Home / 66,503,595.90-99,830,043.45-51,424,376.70

Finding the Fourth Proportional to 66,503,595.90, 99,830,043.45 and 51,424,376.70

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Solution

The fourth proportional to 66,503,595.90, 99,830,043.45 and 51,424,376.70 is: 77,194,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,503,595.90 : 99,830,043.45 = 51,424,376.70 : x
  2. Step 2: Convert to fraction form
    66,503,595.90/99,830,043.45 = 51,424,376.70/x
  3. Step 3: Cross multiply
    66,503,595.90x = 99,830,043.45 × 51,424,376.70
  4. Step 4: Simplify right side
    66,503,595.90x = 5,133,697,760,350,168
  5. Step 5: Solve for x
    x = 5,133,697,760,350,168/66,503,595.90
  6. Step 6: Final answer
    x = 77,194,288.38

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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.