Finding the Fourth Proportional to 213,569,804.78, 294,737,774.00 and 119,478,338.76
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Solution
The fourth proportional to 213,569,804.78, 294,737,774.00 and 119,478,338.76 is: 164,886,509.33
Step by Step Solution
- Step 1: Write the proportion equation
213,569,804.78 : 294,737,774.00 = 119,478,338.76 : x - Step 2: Convert to fraction form
213,569,804.78/294,737,774.00 = 119,478,338.76/x - Step 3: Cross multiply
213,569,804.78x = 294,737,774.00 × 119,478,338.76 - Step 4: Simplify right side
213,569,804.78x = 35,214,779,606,742,932 - Step 5: Solve for x
x = 35,214,779,606,742,932/213,569,804.78 - Step 6: Final answer
x = 164,886,509.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.