Home / 139,582,939.34-209,277,451.10-61,817,466.98

Finding the Fourth Proportional to 139,582,939.34, 209,277,451.10 and 61,817,466.98

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Solution

The fourth proportional to 139,582,939.34, 209,277,451.10 and 61,817,466.98 is: 92,683,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,582,939.34 : 209,277,451.10 = 61,817,466.98 : x
  2. Step 2: Convert to fraction form
    139,582,939.34/209,277,451.10 = 61,817,466.98/x
  3. Step 3: Cross multiply
    139,582,939.34x = 209,277,451.10 × 61,817,466.98
  4. Step 4: Simplify right side
    139,582,939.34x = 12,937,001,923,032,814
  5. Step 5: Solve for x
    x = 12,937,001,923,032,814/139,582,939.34
  6. Step 6: Final answer
    x = 92,683,260.46

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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.