Home / 43,136,837.40-64,705,256.10-39,609,643.80

Finding the Fourth Proportional to 43,136,837.40, 64,705,256.10 and 39,609,643.80

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Solution

The fourth proportional to 43,136,837.40, 64,705,256.10 and 39,609,643.80 is: 59,414,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,136,837.40 : 64,705,256.10 = 39,609,643.80 : x
  2. Step 2: Convert to fraction form
    43,136,837.40/64,705,256.10 = 39,609,643.80/x
  3. Step 3: Cross multiply
    43,136,837.40x = 64,705,256.10 × 39,609,643.80
  4. Step 4: Simplify right side
    43,136,837.40x = 2,562,952,146,108,777
  5. Step 5: Solve for x
    x = 2,562,952,146,108,777/43,136,837.40
  6. Step 6: Final answer
    x = 59,414,465.70

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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.