Home / 123,939,045.60-185,915,566.80-37,680,266.40

Finding the Fourth Proportional to 123,939,045.60, 185,915,566.80 and 37,680,266.40

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Solution

The fourth proportional to 123,939,045.60, 185,915,566.80 and 37,680,266.40 is: 56,522,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,939,045.60 : 185,915,566.80 = 37,680,266.40 : x
  2. Step 2: Convert to fraction form
    123,939,045.60/185,915,566.80 = 37,680,266.40/x
  3. Step 3: Cross multiply
    123,939,045.60x = 185,915,566.80 × 37,680,266.40
  4. Step 4: Simplify right side
    123,939,045.60x = 7,005,348,084,930,996
  5. Step 5: Solve for x
    x = 7,005,348,084,930,996/123,939,045.60
  6. Step 6: Final answer
    x = 56,522,527.27

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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.