Home / 185,788,897.02-278,527,456.14-82,141,368.30

Finding the Fourth Proportional to 185,788,897.02, 278,527,456.14 and 82,141,368.30

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Solution

The fourth proportional to 185,788,897.02, 278,527,456.14 and 82,141,368.30 is: 123,143,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,788,897.02 : 278,527,456.14 = 82,141,368.30 : x
  2. Step 2: Convert to fraction form
    185,788,897.02/278,527,456.14 = 82,141,368.30/x
  3. Step 3: Cross multiply
    185,788,897.02x = 278,527,456.14 × 82,141,368.30
  4. Step 4: Simplify right side
    185,788,897.02x = 22,878,626,356,457,836
  5. Step 5: Solve for x
    x = 22,878,626,356,457,836/185,788,897.02
  6. Step 6: Final answer
    x = 123,143,130.31

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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.