Finding the Fourth Proportional to 102,736,883.97, 141,778,292.61 and 56,327,038.11
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Solution
The fourth proportional to 102,736,883.97, 141,778,292.61 and 56,327,038.11 is: 77,732,076.18
Step by Step Solution
- Step 1: Write the proportion equation
102,736,883.97 : 141,778,292.61 = 56,327,038.11 : x - Step 2: Convert to fraction form
102,736,883.97/141,778,292.61 = 56,327,038.11/x - Step 3: Cross multiply
102,736,883.97x = 141,778,292.61 × 56,327,038.11 - Step 4: Simplify right side
102,736,883.97x = 7,985,951,291,014,202 - Step 5: Solve for x
x = 7,985,951,291,014,202/102,736,883.97 - Step 6: Final answer
x = 77,732,076.18
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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.