Home / 103,373,598.55-142,656,522.60-56,965,513.18

Finding the Fourth Proportional to 103,373,598.55, 142,656,522.60 and 56,965,513.18

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Solution

The fourth proportional to 103,373,598.55, 142,656,522.60 and 56,965,513.18 is: 78,612,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,373,598.55 : 142,656,522.60 = 56,965,513.18 : x
  2. Step 2: Convert to fraction form
    103,373,598.55/142,656,522.60 = 56,965,513.18/x
  3. Step 3: Cross multiply
    103,373,598.55x = 142,656,522.60 × 56,965,513.18
  4. Step 4: Simplify right side
    103,373,598.55x = 8,126,502,018,383,267
  5. Step 5: Solve for x
    x = 8,126,502,018,383,267/103,373,598.55
  6. Step 6: Final answer
    x = 78,612,935.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.