Finding the Fourth Proportional to 155,326,794.84, 214,349,627.79 and 84,763,801.17
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Solution
The fourth proportional to 155,326,794.84, 214,349,627.79 and 84,763,801.17 is: 116,973,309.40
Step by Step Solution
- Step 1: Write the proportion equation
155,326,794.84 : 214,349,627.79 = 84,763,801.17 : x - Step 2: Convert to fraction form
155,326,794.84/214,349,627.79 = 84,763,801.17/x - Step 3: Cross multiply
155,326,794.84x = 214,349,627.79 × 84,763,801.17 - Step 4: Simplify right side
155,326,794.84x = 18,169,089,230,855,068 - Step 5: Solve for x
x = 18,169,089,230,855,068/155,326,794.84 - Step 6: Final answer
x = 116,973,309.40
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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.