Home / 139,993,841.98-210,000,853.16-53,732,248.86

Finding the Fourth Proportional to 139,993,841.98, 210,000,853.16 and 53,732,248.86

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Solution

The fourth proportional to 139,993,841.98, 210,000,853.16 and 53,732,248.86 is: 80,602,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,993,841.98 : 210,000,853.16 = 53,732,248.86 : x
  2. Step 2: Convert to fraction form
    139,993,841.98/210,000,853.16 = 53,732,248.86/x
  3. Step 3: Cross multiply
    139,993,841.98x = 210,000,853.16 × 53,732,248.86
  4. Step 4: Simplify right side
    139,993,841.98x = 11,283,818,102,805,438
  5. Step 5: Solve for x
    x = 11,283,818,102,805,438/139,993,841.98
  6. Step 6: Final answer
    x = 80,602,246.09

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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.