Home / 85,224,987.80-127,889,969.70-36,726,075.80

Finding the Fourth Proportional to 85,224,987.80, 127,889,969.70 and 36,726,075.80

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Solution

The fourth proportional to 85,224,987.80, 127,889,969.70 and 36,726,075.80 is: 55,111,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,224,987.80 : 127,889,969.70 = 36,726,075.80 : x
  2. Step 2: Convert to fraction form
    85,224,987.80/127,889,969.70 = 36,726,075.80/x
  3. Step 3: Cross multiply
    85,224,987.80x = 127,889,969.70 × 36,726,075.80
  4. Step 4: Simplify right side
    85,224,987.80x = 4,696,896,721,261,903
  5. Step 5: Solve for x
    x = 4,696,896,721,261,903/85,224,987.80
  6. Step 6: Final answer
    x = 55,111,732.40

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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.