Home / 131,525,883.51-181,506,063.96-72,792,598.83

Finding the Fourth Proportional to 131,525,883.51, 181,506,063.96 and 72,792,598.83

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Solution

The fourth proportional to 131,525,883.51, 181,506,063.96 and 72,792,598.83 is: 100,453,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,525,883.51 : 181,506,063.96 = 72,792,598.83 : x
  2. Step 2: Convert to fraction form
    131,525,883.51/181,506,063.96 = 72,792,598.83/x
  3. Step 3: Cross multiply
    131,525,883.51x = 181,506,063.96 × 72,792,598.83
  4. Step 4: Simplify right side
    131,525,883.51x = 13,212,298,099,052,602
  5. Step 5: Solve for x
    x = 13,212,298,099,052,602/131,525,883.51
  6. Step 6: Final answer
    x = 100,453,977.17

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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.