Home / 191,886,972.76-264,804,018.78-103,780,977.22

Finding the Fourth Proportional to 191,886,972.76, 264,804,018.78 and 103,780,977.22

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Solution

The fourth proportional to 191,886,972.76, 264,804,018.78 and 103,780,977.22 is: 143,217,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,886,972.76 : 264,804,018.78 = 103,780,977.22 : x
  2. Step 2: Convert to fraction form
    191,886,972.76/264,804,018.78 = 103,780,977.22/x
  3. Step 3: Cross multiply
    191,886,972.76x = 264,804,018.78 × 103,780,977.22
  4. Step 4: Simplify right side
    191,886,972.76x = 27,481,619,840,771,632
  5. Step 5: Solve for x
    x = 27,481,619,840,771,632/191,886,972.76
  6. Step 6: Final answer
    x = 143,217,746.60

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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.