Home / 99,794,877.90-149,692,316.85-56,647,409.10

Finding the Fourth Proportional to 99,794,877.90, 149,692,316.85 and 56,647,409.10

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Solution

The fourth proportional to 99,794,877.90, 149,692,316.85 and 56,647,409.10 is: 84,971,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,877.90 : 149,692,316.85 = 56,647,409.10 : x
  2. Step 2: Convert to fraction form
    99,794,877.90/149,692,316.85 = 56,647,409.10/x
  3. Step 3: Cross multiply
    99,794,877.90x = 149,692,316.85 × 56,647,409.10
  4. Step 4: Simplify right side
    99,794,877.90x = 8,479,681,911,728,773
  5. Step 5: Solve for x
    x = 8,479,681,911,728,773/99,794,877.90
  6. Step 6: Final answer
    x = 84,971,113.65

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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.