Home / 112,717,762.56-155,645,304.24-84,792,068.88

Finding the Fourth Proportional to 112,717,762.56, 155,645,304.24 and 84,792,068.88

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Solution

The fourth proportional to 112,717,762.56, 155,645,304.24 and 84,792,068.88 is: 117,084,362.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,717,762.56 : 155,645,304.24 = 84,792,068.88 : x
  2. Step 2: Convert to fraction form
    112,717,762.56/155,645,304.24 = 84,792,068.88/x
  3. Step 3: Cross multiply
    112,717,762.56x = 155,645,304.24 × 84,792,068.88
  4. Step 4: Simplify right side
    112,717,762.56x = 13,197,487,357,966,636
  5. Step 5: Solve for x
    x = 13,197,487,357,966,636/112,717,762.56
  6. Step 6: Final answer
    x = 117,084,362.38

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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.