Home / 86,105,117.48-118,825,989.54-46,946,574.68

Finding the Fourth Proportional to 86,105,117.48, 118,825,989.54 and 46,946,574.68

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Solution

The fourth proportional to 86,105,117.48, 118,825,989.54 and 46,946,574.68 is: 64,786,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,105,117.48 : 118,825,989.54 = 46,946,574.68 : x
  2. Step 2: Convert to fraction form
    86,105,117.48/118,825,989.54 = 46,946,574.68/x
  3. Step 3: Cross multiply
    86,105,117.48x = 118,825,989.54 × 46,946,574.68
  4. Step 4: Simplify right side
    86,105,117.48x = 5,578,473,191,864,509
  5. Step 5: Solve for x
    x = 5,578,473,191,864,509/86,105,117.48
  6. Step 6: Final answer
    x = 64,786,778.71

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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.