Home / 102,680,485.66-141,699,192.96-55,637,525.17

Finding the Fourth Proportional to 102,680,485.66, 141,699,192.96 and 55,637,525.17

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Solution

The fourth proportional to 102,680,485.66, 141,699,192.96 and 55,637,525.17 is: 76,779,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,680,485.66 : 141,699,192.96 = 55,637,525.17 : x
  2. Step 2: Convert to fraction form
    102,680,485.66/141,699,192.96 = 55,637,525.17/x
  3. Step 3: Cross multiply
    102,680,485.66x = 141,699,192.96 × 55,637,525.17
  4. Step 4: Simplify right side
    102,680,485.66x = 7,883,792,414,880,688
  5. Step 5: Solve for x
    x = 7,883,792,414,880,688/102,680,485.66
  6. Step 6: Final answer
    x = 76,779,851.25

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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.