Home / 139,088,002.23-191,931,841.71-77,203,469.25

Finding the Fourth Proportional to 139,088,002.23, 191,931,841.71 and 77,203,469.25

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Solution

The fourth proportional to 139,088,002.23, 191,931,841.71 and 77,203,469.25 is: 106,535,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,088,002.23 : 191,931,841.71 = 77,203,469.25 : x
  2. Step 2: Convert to fraction form
    139,088,002.23/191,931,841.71 = 77,203,469.25/x
  3. Step 3: Cross multiply
    139,088,002.23x = 191,931,841.71 × 77,203,469.25
  4. Step 4: Simplify right side
    139,088,002.23x = 14,817,804,039,553,854
  5. Step 5: Solve for x
    x = 14,817,804,039,553,854/139,088,002.23
  6. Step 6: Final answer
    x = 106,535,458.14

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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.