Home / 118,562,533.45-163,612,782.11-65,641,599.71

Finding the Fourth Proportional to 118,562,533.45, 163,612,782.11 and 65,641,599.71

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Solution

The fourth proportional to 118,562,533.45, 163,612,782.11 and 65,641,599.71 is: 90,583,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,562,533.45 : 163,612,782.11 = 65,641,599.71 : x
  2. Step 2: Convert to fraction form
    118,562,533.45/163,612,782.11 = 65,641,599.71/x
  3. Step 3: Cross multiply
    118,562,533.45x = 163,612,782.11 × 65,641,599.71
  4. Step 4: Simplify right side
    118,562,533.45x = 10,739,804,751,154,742
  5. Step 5: Solve for x
    x = 10,739,804,751,154,742/118,562,533.45
  6. Step 6: Final answer
    x = 90,583,462.07

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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.