Finding the Fourth Proportional to 155,759,363.79, 215,014,106.36 and 97,051,034.99
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Solution
The fourth proportional to 155,759,363.79, 215,014,106.36 and 97,051,034.99 is: 133,971,666.63
Step by Step Solution
- Step 1: Write the proportion equation
155,759,363.79 : 215,014,106.36 = 97,051,034.99 : x - Step 2: Convert to fraction form
155,759,363.79/215,014,106.36 = 97,051,034.99/x - Step 3: Cross multiply
155,759,363.79x = 215,014,106.36 × 97,051,034.99 - Step 4: Simplify right side
155,759,363.79x = 20,867,341,559,202,684 - Step 5: Solve for x
x = 20,867,341,559,202,684/155,759,363.79 - Step 6: Final answer
x = 133,971,666.63
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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.