Finding the Fourth Proportional to 139,390,828.99, 192,556,048.04 and 111,697,504.09
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Solution
The fourth proportional to 139,390,828.99, 192,556,048.04 and 111,697,504.09 is: 154,300,179.71
Step by Step Solution
- Step 1: Write the proportion equation
139,390,828.99 : 192,556,048.04 = 111,697,504.09 : x - Step 2: Convert to fraction form
139,390,828.99/192,556,048.04 = 111,697,504.09/x - Step 3: Cross multiply
139,390,828.99x = 192,556,048.04 × 111,697,504.09 - Step 4: Simplify right side
139,390,828.99x = 21,508,029,963,502,136 - Step 5: Solve for x
x = 21,508,029,963,502,136/139,390,828.99 - Step 6: Final answer
x = 154,300,179.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.