Home / 216,878,107.86-299,292,143.09-117,759,046.95

Finding the Fourth Proportional to 216,878,107.86, 299,292,143.09 and 117,759,046.95

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Solution

The fourth proportional to 216,878,107.86, 299,292,143.09 and 117,759,046.95 is: 162,507,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,878,107.86 : 299,292,143.09 = 117,759,046.95 : x
  2. Step 2: Convert to fraction form
    216,878,107.86/299,292,143.09 = 117,759,046.95/x
  3. Step 3: Cross multiply
    216,878,107.86x = 299,292,143.09 × 117,759,046.95
  4. Step 4: Simplify right side
    216,878,107.86x = 35,244,357,529,312,632
  5. Step 5: Solve for x
    x = 35,244,357,529,312,632/216,878,107.86
  6. Step 6: Final answer
    x = 162,507,677.13

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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.