Home / 99,579,741.20-149,369,611.80-93,533,123.60

Finding the Fourth Proportional to 99,579,741.20, 149,369,611.80 and 93,533,123.60

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Solution

The fourth proportional to 99,579,741.20, 149,369,611.80 and 93,533,123.60 is: 140,299,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,579,741.20 : 149,369,611.80 = 93,533,123.60 : x
  2. Step 2: Convert to fraction form
    99,579,741.20/149,369,611.80 = 93,533,123.60/x
  3. Step 3: Cross multiply
    99,579,741.20x = 149,369,611.80 × 93,533,123.60
  4. Step 4: Simplify right side
    99,579,741.20x = 13,971,006,362,573,418
  5. Step 5: Solve for x
    x = 13,971,006,362,573,418/99,579,741.20
  6. Step 6: Final answer
    x = 140,299,685.40

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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.