Finding the Fourth Proportional to 88,113,316.52, 121,569,859.53 and 52,818,243.57
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Solution
The fourth proportional to 88,113,316.52, 121,569,859.53 and 52,818,243.57 is: 72,873,280.74
Step by Step Solution
- Step 1: Write the proportion equation
88,113,316.52 : 121,569,859.53 = 52,818,243.57 : x - Step 2: Convert to fraction form
88,113,316.52/121,569,859.53 = 52,818,243.57/x - Step 3: Cross multiply
88,113,316.52x = 121,569,859.53 × 52,818,243.57 - Step 4: Simplify right side
88,113,316.52x = 6,421,106,451,426,226 - Step 5: Solve for x
x = 6,421,106,451,426,226/88,113,316.52 - Step 6: Final answer
x = 72,873,280.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.