Finding the Fourth Proportional to 208,598,787.63, 312,660,159.80 and 84,021,681.47
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Solution
The fourth proportional to 208,598,787.63, 312,660,159.80 and 84,021,681.47 is: 125,936,649.26
Step by Step Solution
- Step 1: Write the proportion equation
208,598,787.63 : 312,660,159.80 = 84,021,681.47 : x - Step 2: Convert to fraction form
208,598,787.63/312,660,159.80 = 84,021,681.47/x - Step 3: Cross multiply
208,598,787.63x = 312,660,159.80 × 84,021,681.47 - Step 4: Simplify right side
208,598,787.63x = 26,270,232,353,091,492 - Step 5: Solve for x
x = 26,270,232,353,091,492/208,598,787.63 - Step 6: Final answer
x = 125,936,649.26
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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.