Home / 131,482,264.76-181,450,866.36-72,743,973.22

Finding the Fourth Proportional to 131,482,264.76, 181,450,866.36 and 72,743,973.22

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Solution

The fourth proportional to 131,482,264.76, 181,450,866.36 and 72,743,973.22 is: 100,389,638.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,482,264.76 : 181,450,866.36 = 72,743,973.22 : x
  2. Step 2: Convert to fraction form
    131,482,264.76/181,450,866.36 = 72,743,973.22/x
  3. Step 3: Cross multiply
    131,482,264.76x = 181,450,866.36 × 72,743,973.22
  4. Step 4: Simplify right side
    131,482,264.76x = 13,199,456,963,237,640
  5. Step 5: Solve for x
    x = 13,199,456,963,237,640/131,482,264.76
  6. Step 6: Final answer
    x = 100,389,638.00

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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.