Home / 259,615,878.48-358,255,718.64-142,118,478.36

Finding the Fourth Proportional to 259,615,878.48, 358,255,718.64 and 142,118,478.36

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Solution

The fourth proportional to 259,615,878.48, 358,255,718.64 and 142,118,478.36 is: 196,115,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,615,878.48 : 358,255,718.64 = 142,118,478.36 : x
  2. Step 2: Convert to fraction form
    259,615,878.48/358,255,718.64 = 142,118,478.36/x
  3. Step 3: Cross multiply
    259,615,878.48x = 358,255,718.64 × 142,118,478.36
  4. Step 4: Simplify right side
    259,615,878.48x = 50,914,757,596,885,088
  5. Step 5: Solve for x
    x = 50,914,757,596,885,088/259,615,878.48
  6. Step 6: Final answer
    x = 196,115,730.27

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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.