Finding the Fourth Proportional to 138,444,851.06, 191,032,671.93 and 79,696,164.14
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Solution
The fourth proportional to 138,444,851.06, 191,032,671.93 and 79,696,164.14 is: 109,968,489.70
Step by Step Solution
- Step 1: Write the proportion equation
138,444,851.06 : 191,032,671.93 = 79,696,164.14 : x - Step 2: Convert to fraction form
138,444,851.06/191,032,671.93 = 79,696,164.14/x - Step 3: Cross multiply
138,444,851.06x = 191,032,671.93 × 79,696,164.14 - Step 4: Simplify right side
138,444,851.06x = 15,224,571,178,236,052 - Step 5: Solve for x
x = 15,224,571,178,236,052/138,444,851.06 - Step 6: Final answer
x = 109,968,489.70
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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.