Finding the Fourth Proportional to 107,506,492.79, 148,371,555.20 and 61,103,721.87
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Solution
The fourth proportional to 107,506,492.79, 148,371,555.20 and 61,103,721.87 is: 84,330,294.92
Step by Step Solution
- Step 1: Write the proportion equation
107,506,492.79 : 148,371,555.20 = 61,103,721.87 : x - Step 2: Convert to fraction form
107,506,492.79/148,371,555.20 = 61,103,721.87/x - Step 3: Cross multiply
107,506,492.79x = 148,371,555.20 × 61,103,721.87 - Step 4: Simplify right side
107,506,492.79x = 9,066,054,242,054,632 - Step 5: Solve for x
x = 9,066,054,242,054,632/107,506,492.79 - Step 6: Final answer
x = 84,330,294.92
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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.