Finding the Fourth Proportional to 88,403,595.76, 121,980,767.12 and 49,244,398
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Solution
The fourth proportional to 88,403,595.76, 121,980,767.12 and 49,244,398 is: 67,948,247.95
Step by Step Solution
- Step 1: Write the proportion equation
88,403,595.76 : 121,980,767.12 = 49,244,398 : x - Step 2: Convert to fraction form
88,403,595.76/121,980,767.12 = 49,244,398/x - Step 3: Cross multiply
88,403,595.76x = 121,980,767.12 × 49,244,398 - Step 4: Simplify right side
88,403,595.76x = 6,006,869,444,402,594 - Step 5: Solve for x
x = 6,006,869,444,402,594/88,403,595.76 - Step 6: Final answer
x = 67,948,247.95
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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.