Home / 99,672,368.40-149,508,552.60-98,328,675.60

Finding the Fourth Proportional to 99,672,368.40, 149,508,552.60 and 98,328,675.60

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Solution

The fourth proportional to 99,672,368.40, 149,508,552.60 and 98,328,675.60 is: 147,493,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,672,368.40 : 149,508,552.60 = 98,328,675.60 : x
  2. Step 2: Convert to fraction form
    99,672,368.40/149,508,552.60 = 98,328,675.60/x
  3. Step 3: Cross multiply
    99,672,368.40x = 149,508,552.60 × 98,328,675.60
  4. Step 4: Simplify right side
    99,672,368.40x = 14,700,977,968,030,936
  5. Step 5: Solve for x
    x = 14,700,977,968,030,936/99,672,368.40
  6. Step 6: Final answer
    x = 147,493,013.40

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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.