Home / 99,681,136.40-149,223,106.20-59,270,819.60

Finding the Fourth Proportional to 99,681,136.40, 149,223,106.20 and 59,270,819.60

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Solution

The fourth proportional to 99,681,136.40, 149,223,106.20 and 59,270,819.60 is: 88,728,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,681,136.40 : 149,223,106.20 = 59,270,819.60 : x
  2. Step 2: Convert to fraction form
    99,681,136.40/149,223,106.20 = 59,270,819.60/x
  3. Step 3: Cross multiply
    99,681,136.40x = 149,223,106.20 × 59,270,819.60
  4. Step 4: Simplify right side
    99,681,136.40x = 8,844,575,807,731,841
  5. Step 5: Solve for x
    x = 8,844,575,807,731,841/99,681,136.40
  6. Step 6: Final answer
    x = 88,728,681.55

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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.