Home / 191,542,567.47-287,313,855.01-45,976,128.85

Finding the Fourth Proportional to 191,542,567.47, 287,313,855.01 and 45,976,128.85

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Solution

The fourth proportional to 191,542,567.47, 287,313,855.01 and 45,976,128.85 is: 68,964,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,542,567.47 : 287,313,855.01 = 45,976,128.85 : x
  2. Step 2: Convert to fraction form
    191,542,567.47/287,313,855.01 = 45,976,128.85/x
  3. Step 3: Cross multiply
    191,542,567.47x = 287,313,855.01 × 45,976,128.85
  4. Step 4: Simplify right side
    191,542,567.47x = 13,209,578,817,496,752
  5. Step 5: Solve for x
    x = 13,209,578,817,496,752/191,542,567.47
  6. Step 6: Final answer
    x = 68,964,194.18

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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.