Finding the Fourth Proportional to 100,776,454.68, 139,062,641.35 and 56,119,052.26
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Solution
The fourth proportional to 100,776,454.68, 139,062,641.35 and 56,119,052.26 is: 77,439,354.88
Step by Step Solution
- Step 1: Write the proportion equation
100,776,454.68 : 139,062,641.35 = 56,119,052.26 : x - Step 2: Convert to fraction form
100,776,454.68/139,062,641.35 = 56,119,052.26/x - Step 3: Cross multiply
100,776,454.68x = 139,062,641.35 × 56,119,052.26 - Step 4: Simplify right side
100,776,454.68x = 7,804,063,637,334,286 - Step 5: Solve for x
x = 7,804,063,637,334,286/100,776,454.68 - Step 6: Final answer
x = 77,439,354.88
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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.