Finding the Fourth Proportional to 77,424,206.96, 116,133,160.56 and 19,130,416.82
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Solution
The fourth proportional to 77,424,206.96, 116,133,160.56 and 19,130,416.82 is: 28,694,846.94
Step by Step Solution
- Step 1: Write the proportion equation
77,424,206.96 : 116,133,160.56 = 19,130,416.82 : x - Step 2: Convert to fraction form
77,424,206.96/116,133,160.56 = 19,130,416.82/x - Step 3: Cross multiply
77,424,206.96x = 116,133,160.56 × 19,130,416.82 - Step 4: Simplify right side
77,424,206.96x = 2,221,675,768,136,784.75 - Step 5: Solve for x
x = 2,221,675,768,136,784.75/77,424,206.96 - Step 6: Final answer
x = 28,694,846.94
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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.