Home / 66,528,099.05-99,792,148.58-21,089,820.65

Finding the Fourth Proportional to 66,528,099.05, 99,792,148.58 and 21,089,820.65

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Solution

The fourth proportional to 66,528,099.05, 99,792,148.58 and 21,089,820.65 is: 31,634,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528,099.05 : 99,792,148.58 = 21,089,820.65 : x
  2. Step 2: Convert to fraction form
    66,528,099.05/99,792,148.58 = 21,089,820.65/x
  3. Step 3: Cross multiply
    66,528,099.05x = 99,792,148.58 × 21,089,820.65
  4. Step 4: Simplify right side
    66,528,099.05x = 2,104,598,515,830,352
  5. Step 5: Solve for x
    x = 2,104,598,515,830,352/66,528,099.05
  6. Step 6: Final answer
    x = 31,634,730.98

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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.