Home / 98,287,927.80-147,543,866.10-57,921,156.60

Finding the Fourth Proportional to 98,287,927.80, 147,543,866.10 and 57,921,156.60

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Solution

The fourth proportional to 98,287,927.80, 147,543,866.10 and 57,921,156.60 is: 86,947,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,287,927.80 : 147,543,866.10 = 57,921,156.60 : x
  2. Step 2: Convert to fraction form
    98,287,927.80/147,543,866.10 = 57,921,156.60/x
  3. Step 3: Cross multiply
    98,287,927.80x = 147,543,866.10 × 57,921,156.60
  4. Step 4: Simplify right side
    98,287,927.80x = 8,545,911,373,747,531
  5. Step 5: Solve for x
    x = 8,545,911,373,747,531/98,287,927.80
  6. Step 6: Final answer
    x = 86,947,721.51

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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.