Finding the Fourth Proportional to 121,518,780.17, 167,696,962.24 and 69,310,459.20
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Solution
The fourth proportional to 121,518,780.17, 167,696,962.24 and 69,310,459.20 is: 95,649,030.07
Step by Step Solution
- Step 1: Write the proportion equation
121,518,780.17 : 167,696,962.24 = 69,310,459.20 : x - Step 2: Convert to fraction form
121,518,780.17/167,696,962.24 = 69,310,459.20/x - Step 3: Cross multiply
121,518,780.17x = 167,696,962.24 × 69,310,459.20 - Step 4: Simplify right side
121,518,780.17x = 11,623,153,458,634,252 - Step 5: Solve for x
x = 11,623,153,458,634,252/121,518,780.17 - Step 6: Final answer
x = 95,649,030.07
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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.