Finding the Fourth Proportional to 257,795,853.56, 386,689,994.09 and 63,707,263.53
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Solution
The fourth proportional to 257,795,853.56, 386,689,994.09 and 63,707,263.53 is: 95,559,959.62
Step by Step Solution
- Step 1: Write the proportion equation
257,795,853.56 : 386,689,994.09 = 63,707,263.53 : x - Step 2: Convert to fraction form
257,795,853.56/386,689,994.09 = 63,707,263.53/x - Step 3: Cross multiply
257,795,853.56x = 386,689,994.09 × 63,707,263.53 - Step 4: Simplify right side
257,795,853.56x = 24,634,961,356,733,952 - Step 5: Solve for x
x = 24,634,961,356,733,952/257,795,853.56 - Step 6: Final answer
x = 95,559,959.62
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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.