Home / 99,698,646.50-149,570,203.08-30,618,421.41

Finding the Fourth Proportional to 99,698,646.50, 149,570,203.08 and 30,618,421.41

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Solution

The fourth proportional to 99,698,646.50, 149,570,203.08 and 30,618,421.41 is: 45,934,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,698,646.50 : 149,570,203.08 = 30,618,421.41 : x
  2. Step 2: Convert to fraction form
    99,698,646.50/149,570,203.08 = 30,618,421.41/x
  3. Step 3: Cross multiply
    99,698,646.50x = 149,570,203.08 × 30,618,421.41
  4. Step 4: Simplify right side
    99,698,646.50x = 4,579,603,508,537,836
  5. Step 5: Solve for x
    x = 4,579,603,508,537,836/99,698,646.50
  6. Step 6: Final answer
    x = 45,934,460.19

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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.