Home / 134,829,362.10-186,011,579.60-78,304,485.82

Finding the Fourth Proportional to 134,829,362.10, 186,011,579.60 and 78,304,485.82

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Solution

The fourth proportional to 134,829,362.10, 186,011,579.60 and 78,304,485.82 is: 108,029,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,829,362.10 : 186,011,579.60 = 78,304,485.82 : x
  2. Step 2: Convert to fraction form
    134,829,362.10/186,011,579.60 = 78,304,485.82/x
  3. Step 3: Cross multiply
    134,829,362.10x = 186,011,579.60 × 78,304,485.82
  4. Step 4: Simplify right side
    134,829,362.10x = 14,565,541,097,144,000
  5. Step 5: Solve for x
    x = 14,565,541,097,144,000/134,829,362.10
  6. Step 6: Final answer
    x = 108,029,444.55

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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.