Finding the Fourth Proportional to 142,911,936.95, 214,243,052.63 and 55,413,170.79
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Solution
The fourth proportional to 142,911,936.95, 214,243,052.63 and 55,413,170.79 is: 83,071,345.32
Step by Step Solution
- Step 1: Write the proportion equation
142,911,936.95 : 214,243,052.63 = 55,413,170.79 : x - Step 2: Convert to fraction form
142,911,936.95/214,243,052.63 = 55,413,170.79/x - Step 3: Cross multiply
142,911,936.95x = 214,243,052.63 × 55,413,170.79 - Step 4: Simplify right side
142,911,936.95x = 11,871,886,864,876,672 - Step 5: Solve for x
x = 11,871,886,864,876,672/142,911,936.95 - Step 6: Final answer
x = 83,071,345.32
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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.