Home / 191,553,868.65-264,344,328.54-103,447,857.78

Finding the Fourth Proportional to 191,553,868.65, 264,344,328.54 and 103,447,857.78

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Solution

The fourth proportional to 191,553,868.65, 264,344,328.54 and 103,447,857.78 is: 142,758,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,553,868.65 : 264,344,328.54 = 103,447,857.78 : x
  2. Step 2: Convert to fraction form
    191,553,868.65/264,344,328.54 = 103,447,857.78/x
  3. Step 3: Cross multiply
    191,553,868.65x = 264,344,328.54 × 103,447,857.78
  4. Step 4: Simplify right side
    191,553,868.65x = 27,345,854,505,017,944
  5. Step 5: Solve for x
    x = 27,345,854,505,017,944/191,553,868.65
  6. Step 6: Final answer
    x = 142,758,038.24

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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.