Finding the Fourth Proportional to 257,468,777.70, 386,374,888.29 and 93,706,488.66
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Solution
The fourth proportional to 257,468,777.70, 386,374,888.29 and 93,706,488.66 is: 140,622,231.60
Step by Step Solution
- Step 1: Write the proportion equation
257,468,777.70 : 386,374,888.29 = 93,706,488.66 : x - Step 2: Convert to fraction form
257,468,777.70/386,374,888.29 = 93,706,488.66/x - Step 3: Cross multiply
257,468,777.70x = 386,374,888.29 × 93,706,488.66 - Step 4: Simplify right side
257,468,777.70x = 36,205,834,088,055,656 - Step 5: Solve for x
x = 36,205,834,088,055,656/257,468,777.70 - Step 6: Final answer
x = 140,622,231.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.