Home / 99,019,975.90-148,529,963.85-56,552,647.90

Finding the Fourth Proportional to 99,019,975.90, 148,529,963.85 and 56,552,647.90

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Solution

The fourth proportional to 99,019,975.90, 148,529,963.85 and 56,552,647.90 is: 84,828,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,019,975.90 : 148,529,963.85 = 56,552,647.90 : x
  2. Step 2: Convert to fraction form
    99,019,975.90/148,529,963.85 = 56,552,647.90/x
  3. Step 3: Cross multiply
    99,019,975.90x = 148,529,963.85 × 56,552,647.90
  4. Step 4: Simplify right side
    99,019,975.90x = 8,399,762,748,208,778
  5. Step 5: Solve for x
    x = 8,399,762,748,208,778/99,019,975.90
  6. Step 6: Final answer
    x = 84,828,971.85

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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.