Home / 99,852,830.40-149,779,245.60-39,270,532.80

Finding the Fourth Proportional to 99,852,830.40, 149,779,245.60 and 39,270,532.80

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Solution

The fourth proportional to 99,852,830.40, 149,779,245.60 and 39,270,532.80 is: 58,905,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,852,830.40 : 149,779,245.60 = 39,270,532.80 : x
  2. Step 2: Convert to fraction form
    99,852,830.40/149,779,245.60 = 39,270,532.80/x
  3. Step 3: Cross multiply
    99,852,830.40x = 149,779,245.60 × 39,270,532.80
  4. Step 4: Simplify right side
    99,852,830.40x = 5,881,910,777,094,055
  5. Step 5: Solve for x
    x = 5,881,910,777,094,055/99,852,830.40
  6. Step 6: Final answer
    x = 58,905,799.20

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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.