Home / 99,651,698.70-149,477,548.05-53,735,196.30

Finding the Fourth Proportional to 99,651,698.70, 149,477,548.05 and 53,735,196.30

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Solution

The fourth proportional to 99,651,698.70, 149,477,548.05 and 53,735,196.30 is: 80,602,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,698.70 : 149,477,548.05 = 53,735,196.30 : x
  2. Step 2: Convert to fraction form
    99,651,698.70/149,477,548.05 = 53,735,196.30/x
  3. Step 3: Cross multiply
    99,651,698.70x = 149,477,548.05 × 53,735,196.30
  4. Step 4: Simplify right side
    99,651,698.70x = 8,032,205,386,909,432
  5. Step 5: Solve for x
    x = 8,032,205,386,909,432/99,651,698.70
  6. Step 6: Final answer
    x = 80,602,794.45

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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.