Finding the Fourth Proportional to 292,390,081.36, 438,274,973.04 and 136,812,811.12
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Solution
The fourth proportional to 292,390,081.36, 438,274,973.04 and 136,812,811.12 is: 205,074,094.26
Step by Step Solution
- Step 1: Write the proportion equation
292,390,081.36 : 438,274,973.04 = 136,812,811.12 : x - Step 2: Convert to fraction form
292,390,081.36/438,274,973.04 = 136,812,811.12/x - Step 3: Cross multiply
292,390,081.36x = 438,274,973.04 × 136,812,811.12 - Step 4: Simplify right side
292,390,081.36x = 59,961,631,105,144,616 - Step 5: Solve for x
x = 59,961,631,105,144,616/292,390,081.36 - Step 6: Final answer
x = 205,074,094.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.