Finding the Fourth Proportional to 199,999,873.44, 276,042,988.80 and 121,708,649.52
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Solution
The fourth proportional to 199,999,873.44, 276,042,988.80 and 121,708,649.52 is: 167,984,203.18
Step by Step Solution
- Step 1: Write the proportion equation
199,999,873.44 : 276,042,988.80 = 121,708,649.52 : x - Step 2: Convert to fraction form
199,999,873.44/276,042,988.80 = 121,708,649.52/x - Step 3: Cross multiply
199,999,873.44x = 276,042,988.80 × 121,708,649.52 - Step 4: Simplify right side
199,999,873.44x = 33,596,819,376,312,484 - Step 5: Solve for x
x = 33,596,819,376,312,484/199,999,873.44 - Step 6: Final answer
x = 167,984,203.18
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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.