Home / 86,301,987.16-119,100,362.76-49,632,587.32

Finding the Fourth Proportional to 86,301,987.16, 119,100,362.76 and 49,632,587.32

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Solution

The fourth proportional to 86,301,987.16, 119,100,362.76 and 49,632,587.32 is: 68,495,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,301,987.16 : 119,100,362.76 = 49,632,587.32 : x
  2. Step 2: Convert to fraction form
    86,301,987.16/119,100,362.76 = 49,632,587.32/x
  3. Step 3: Cross multiply
    86,301,987.16x = 119,100,362.76 × 49,632,587.32
  4. Step 4: Simplify right side
    86,301,987.16x = 5,911,259,154,529,377
  5. Step 5: Solve for x
    x = 5,911,259,154,529,377/86,301,987.16
  6. Step 6: Final answer
    x = 68,495,052.65

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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.