Home / 139,968,124.40-209,952,186.60-89,075,759.60

Finding the Fourth Proportional to 139,968,124.40, 209,952,186.60 and 89,075,759.60

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Solution

The fourth proportional to 139,968,124.40, 209,952,186.60 and 89,075,759.60 is: 133,613,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,124.40 : 209,952,186.60 = 89,075,759.60 : x
  2. Step 2: Convert to fraction form
    139,968,124.40/209,952,186.60 = 89,075,759.60/x
  3. Step 3: Cross multiply
    139,968,124.40x = 209,952,186.60 × 89,075,759.60
  4. Step 4: Simplify right side
    139,968,124.40x = 18,701,650,501,075,940
  5. Step 5: Solve for x
    x = 18,701,650,501,075,940/139,968,124.40
  6. Step 6: Final answer
    x = 133,613,639.40

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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.