Home / 142,525,762.02-196,639,840.50-79,792,639.44

Finding the Fourth Proportional to 142,525,762.02, 196,639,840.50 and 79,792,639.44

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Solution

The fourth proportional to 142,525,762.02, 196,639,840.50 and 79,792,639.44 is: 110,088,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,525,762.02 : 196,639,840.50 = 79,792,639.44 : x
  2. Step 2: Convert to fraction form
    142,525,762.02/196,639,840.50 = 79,792,639.44/x
  3. Step 3: Cross multiply
    142,525,762.02x = 196,639,840.50 × 79,792,639.44
  4. Step 4: Simplify right side
    142,525,762.02x = 15,690,411,892,555,608
  5. Step 5: Solve for x
    x = 15,690,411,892,555,608/142,525,762.02
  6. Step 6: Final answer
    x = 110,088,251.21

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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.