Home / 107,779,128.40-161,668,692.60-73,766,904.40

Finding the Fourth Proportional to 107,779,128.40, 161,668,692.60 and 73,766,904.40

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Solution

The fourth proportional to 107,779,128.40, 161,668,692.60 and 73,766,904.40 is: 110,650,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,779,128.40 : 161,668,692.60 = 73,766,904.40 : x
  2. Step 2: Convert to fraction form
    107,779,128.40/161,668,692.60 = 73,766,904.40/x
  3. Step 3: Cross multiply
    107,779,128.40x = 161,668,692.60 × 73,766,904.40
  4. Step 4: Simplify right side
    107,779,128.40x = 11,925,798,991,497,188
  5. Step 5: Solve for x
    x = 11,925,798,991,497,188/107,779,128.40
  6. Step 6: Final answer
    x = 110,650,356.60

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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.