Home / 118,758,647.40-178,113,087.90-58,217,821.80

Finding the Fourth Proportional to 118,758,647.40, 178,113,087.90 and 58,217,821.80

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Solution

The fourth proportional to 118,758,647.40, 178,113,087.90 and 58,217,821.80 is: 87,314,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,758,647.40 : 178,113,087.90 = 58,217,821.80 : x
  2. Step 2: Convert to fraction form
    118,758,647.40/178,113,087.90 = 58,217,821.80/x
  3. Step 3: Cross multiply
    118,758,647.40x = 178,113,087.90 × 58,217,821.80
  4. Step 4: Simplify right side
    118,758,647.40x = 10,369,356,011,609,936
  5. Step 5: Solve for x
    x = 10,369,356,011,609,936/118,758,647.40
  6. Step 6: Final answer
    x = 87,314,534.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.