Finding the Fourth Proportional to 133,402,740.20, 184,053,815.70 and 74,656,071.08
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Solution
The fourth proportional to 133,402,740.20, 184,053,815.70 and 74,656,071.08 is: 103,001,892.82
Step by Step Solution
- Step 1: Write the proportion equation
133,402,740.20 : 184,053,815.70 = 74,656,071.08 : x - Step 2: Convert to fraction form
133,402,740.20/184,053,815.70 = 74,656,071.08/x - Step 3: Cross multiply
133,402,740.20x = 184,053,815.70 × 74,656,071.08 - Step 4: Simplify right side
133,402,740.20x = 13,740,734,747,444,418 - Step 5: Solve for x
x = 13,740,734,747,444,418/133,402,740.20 - Step 6: Final answer
x = 103,001,892.82
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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.