Home / 157,190,075.73-216,917,217.41-90,220,056.98

Finding the Fourth Proportional to 157,190,075.73, 216,917,217.41 and 90,220,056.98

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Solution

The fourth proportional to 157,190,075.73, 216,917,217.41 and 90,220,056.98 is: 124,500,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,190,075.73 : 216,917,217.41 = 90,220,056.98 : x
  2. Step 2: Convert to fraction form
    157,190,075.73/216,917,217.41 = 90,220,056.98/x
  3. Step 3: Cross multiply
    157,190,075.73x = 216,917,217.41 × 90,220,056.98
  4. Step 4: Simplify right side
    157,190,075.73x = 19,570,283,713,137,560
  5. Step 5: Solve for x
    x = 19,570,283,713,137,560/157,190,075.73
  6. Step 6: Final answer
    x = 124,500,758.86

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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.