Home / 186,603,121.20-279,904,681.80-118,746,634.80

Finding the Fourth Proportional to 186,603,121.20, 279,904,681.80 and 118,746,634.80

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Solution

The fourth proportional to 186,603,121.20, 279,904,681.80 and 118,746,634.80 is: 178,119,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,603,121.20 : 279,904,681.80 = 118,746,634.80 : x
  2. Step 2: Convert to fraction form
    186,603,121.20/279,904,681.80 = 118,746,634.80/x
  3. Step 3: Cross multiply
    186,603,121.20x = 279,904,681.80 × 118,746,634.80
  4. Step 4: Simplify right side
    186,603,121.20x = 33,237,739,028,514,808
  5. Step 5: Solve for x
    x = 33,237,739,028,514,808/186,603,121.20
  6. Step 6: Final answer
    x = 178,119,952.20

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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.