Home / 139,582,937.34-209,277,448.10-61,817,464.98

Finding the Fourth Proportional to 139,582,937.34, 209,277,448.10 and 61,817,464.98

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Solution

The fourth proportional to 139,582,937.34, 209,277,448.10 and 61,817,464.98 is: 92,683,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,582,937.34 : 209,277,448.10 = 61,817,464.98 : x
  2. Step 2: Convert to fraction form
    139,582,937.34/209,277,448.10 = 61,817,464.98/x
  3. Step 3: Cross multiply
    139,582,937.34x = 209,277,448.10 × 61,817,464.98
  4. Step 4: Simplify right side
    139,582,937.34x = 12,937,001,319,025,516
  5. Step 5: Solve for x
    x = 12,937,001,319,025,516/139,582,937.34
  6. Step 6: Final answer
    x = 92,683,257.46

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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.