Finding the Fourth Proportional to 79,968,374.82, 119,996,824.71 and 39,028,153.08
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Solution
The fourth proportional to 79,968,374.82, 119,996,824.71 and 39,028,153.08 is: 58,563,831.70
Step by Step Solution
- Step 1: Write the proportion equation
79,968,374.82 : 119,996,824.71 = 39,028,153.08 : x - Step 2: Convert to fraction form
79,968,374.82/119,996,824.71 = 39,028,153.08/x - Step 3: Cross multiply
79,968,374.82x = 119,996,824.71 × 39,028,153.08 - Step 4: Simplify right side
79,968,374.82x = 4,683,254,444,492,151 - Step 5: Solve for x
x = 4,683,254,444,492,151/79,968,374.82 - Step 6: Final answer
x = 58,563,831.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.