Home / 185,784,294.72-278,643,855.60-70,775,738.40

Finding the Fourth Proportional to 185,784,294.72, 278,643,855.60 and 70,775,738.40

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Solution

The fourth proportional to 185,784,294.72, 278,643,855.60 and 70,775,738.40 is: 106,151,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,784,294.72 : 278,643,855.60 = 70,775,738.40 : x
  2. Step 2: Convert to fraction form
    185,784,294.72/278,643,855.60 = 70,775,738.40/x
  3. Step 3: Cross multiply
    185,784,294.72x = 278,643,855.60 × 70,775,738.40
  4. Step 4: Simplify right side
    185,784,294.72x = 19,721,224,630,712,980
  5. Step 5: Solve for x
    x = 19,721,224,630,712,980/185,784,294.72
  6. Step 6: Final answer
    x = 106,151,193.57

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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.