Home / 115,509,765.48-159,403,587.78-63,298,916.52

Finding the Fourth Proportional to 115,509,765.48, 159,403,587.78 and 63,298,916.52

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Solution

The fourth proportional to 115,509,765.48, 159,403,587.78 and 63,298,916.52 is: 87,352,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,509,765.48 : 159,403,587.78 = 63,298,916.52 : x
  2. Step 2: Convert to fraction form
    115,509,765.48/159,403,587.78 = 63,298,916.52/x
  3. Step 3: Cross multiply
    115,509,765.48x = 159,403,587.78 × 63,298,916.52
  4. Step 4: Simplify right side
    115,509,765.48x = 10,090,074,395,874,712
  5. Step 5: Solve for x
    x = 10,090,074,395,874,712/115,509,765.48
  6. Step 6: Final answer
    x = 87,352,565.85

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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.