Home / 71,870,698.19-99,181,563.48-40,933,746.11

Finding the Fourth Proportional to 71,870,698.19, 99,181,563.48 and 40,933,746.11

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Solution

The fourth proportional to 71,870,698.19, 99,181,563.48 and 40,933,746.11 is: 56,488,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,870,698.19 : 99,181,563.48 = 40,933,746.11 : x
  2. Step 2: Convert to fraction form
    71,870,698.19/99,181,563.48 = 40,933,746.11/x
  3. Step 3: Cross multiply
    71,870,698.19x = 99,181,563.48 × 40,933,746.11
  4. Step 4: Simplify right side
    71,870,698.19x = 4,059,872,938,283,168
  5. Step 5: Solve for x
    x = 4,059,872,938,283,168/71,870,698.19
  6. Step 6: Final answer
    x = 56,488,569.62

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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.