Home / 91,624,772.64-137,430,012.40-53,261,817.76

Finding the Fourth Proportional to 91,624,772.64, 137,430,012.40 and 53,261,817.76

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Solution

The fourth proportional to 91,624,772.64, 137,430,012.40 and 53,261,817.76 is: 79,888,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,624,772.64 : 137,430,012.40 = 53,261,817.76 : x
  2. Step 2: Convert to fraction form
    91,624,772.64/137,430,012.40 = 53,261,817.76/x
  3. Step 3: Cross multiply
    91,624,772.64x = 137,430,012.40 × 53,261,817.76
  4. Step 4: Simplify right side
    91,624,772.64x = 7,319,772,275,203,340
  5. Step 5: Solve for x
    x = 7,319,772,275,203,340/91,624,772.64
  6. Step 6: Final answer
    x = 79,888,572.32

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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.