Home / 315,812,859.47-435,792,498.66-174,681,042.32

Finding the Fourth Proportional to 315,812,859.47, 435,792,498.66 and 174,681,042.32

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Solution

The fourth proportional to 315,812,859.47, 435,792,498.66 and 174,681,042.32 is: 241,043,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,812,859.47 : 435,792,498.66 = 174,681,042.32 : x
  2. Step 2: Convert to fraction form
    315,812,859.47/435,792,498.66 = 174,681,042.32/x
  3. Step 3: Cross multiply
    315,812,859.47x = 435,792,498.66 × 174,681,042.32
  4. Step 4: Simplify right side
    315,812,859.47x = 76,124,687,901,166,000
  5. Step 5: Solve for x
    x = 76,124,687,901,166,000/315,812,859.47
  6. Step 6: Final answer
    x = 241,043,661.20

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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.