Home / 185,509,694.80-278,370,830.40-70,576,721.20

Finding the Fourth Proportional to 185,509,694.80, 278,370,830.40 and 70,576,721.20

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Solution

The fourth proportional to 185,509,694.80, 278,370,830.40 and 70,576,721.20 is: 105,905,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,509,694.80 : 278,370,830.40 = 70,576,721.20 : x
  2. Step 2: Convert to fraction form
    185,509,694.80/278,370,830.40 = 70,576,721.20/x
  3. Step 3: Cross multiply
    185,509,694.80x = 278,370,830.40 × 70,576,721.20
  4. Step 4: Simplify right side
    185,509,694.80x = 19,646,500,487,353,284
  5. Step 5: Solve for x
    x = 19,646,500,487,353,284/185,509,694.80
  6. Step 6: Final answer
    x = 105,905,518.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.