Home / 99,537,408.40-149,283,706.20-35,712,000.40

Finding the Fourth Proportional to 99,537,408.40, 149,283,706.20 and 35,712,000.40

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Solution

The fourth proportional to 99,537,408.40, 149,283,706.20 and 35,712,000.40 is: 53,559,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,537,408.40 : 149,283,706.20 = 35,712,000.40 : x
  2. Step 2: Convert to fraction form
    99,537,408.40/149,283,706.20 = 35,712,000.40/x
  3. Step 3: Cross multiply
    99,537,408.40x = 149,283,706.20 × 35,712,000.40
  4. Step 4: Simplify right side
    99,537,408.40x = 5,331,219,775,527,882
  5. Step 5: Solve for x
    x = 5,331,219,775,527,882/99,537,408.40
  6. Step 6: Final answer
    x = 53,559,961.64

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1.5x scale

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.