Home / 103,423,570.94-142,725,490.60-57,015,485.60

Finding the Fourth Proportional to 103,423,570.94, 142,725,490.60 and 57,015,485.60

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Solution

The fourth proportional to 103,423,570.94, 142,725,490.60 and 57,015,485.60 is: 78,681,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423,570.94 : 142,725,490.60 = 57,015,485.60 : x
  2. Step 2: Convert to fraction form
    103,423,570.94/142,725,490.60 = 57,015,485.60/x
  3. Step 3: Cross multiply
    103,423,570.94x = 142,725,490.60 × 57,015,485.60
  4. Step 4: Simplify right side
    103,423,570.94x = 8,137,563,154,057,235
  5. Step 5: Solve for x
    x = 8,137,563,154,057,235/103,423,570.94
  6. Step 6: Final answer
    x = 78,681,900.85

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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.