Home / 342,780,518.70-514,103,849.55-109,548,667.80

Finding the Fourth Proportional to 342,780,518.70, 514,103,849.55 and 109,548,667.80

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Solution

The fourth proportional to 342,780,518.70, 514,103,849.55 and 109,548,667.80 is: 164,301,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,780,518.70 : 514,103,849.55 = 109,548,667.80 : x
  2. Step 2: Convert to fraction form
    342,780,518.70/514,103,849.55 = 109,548,667.80/x
  3. Step 3: Cross multiply
    342,780,518.70x = 514,103,849.55 × 109,548,667.80
  4. Step 4: Simplify right side
    342,780,518.70x = 56,319,391,829,054,128
  5. Step 5: Solve for x
    x = 56,319,391,829,054,128/342,780,518.70
  6. Step 6: Final answer
    x = 164,301,612.13

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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.