Home / 85,698,468.24-128,552,560.06-27,411,264.93

Finding the Fourth Proportional to 85,698,468.24, 128,552,560.06 and 27,411,264.93

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Solution

The fourth proportional to 85,698,468.24, 128,552,560.06 and 27,411,264.93 is: 41,118,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,698,468.24 : 128,552,560.06 = 27,411,264.93 : x
  2. Step 2: Convert to fraction form
    85,698,468.24/128,552,560.06 = 27,411,264.93/x
  3. Step 3: Cross multiply
    85,698,468.24x = 128,552,560.06 × 27,411,264.93
  4. Step 4: Simplify right side
    85,698,468.24x = 3,523,788,281,234,396.50
  5. Step 5: Solve for x
    x = 3,523,788,281,234,396.50/85,698,468.24
  6. Step 6: Final answer
    x = 41,118,451.16

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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.