Finding the Fourth Proportional to 149,431,950.84, 206,221,220.01 and 86,703,312
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Solution
The fourth proportional to 149,431,950.84, 206,221,220.01 and 86,703,312 is: 119,653,545.84
Step by Step Solution
- Step 1: Write the proportion equation
149,431,950.84 : 206,221,220.01 = 86,703,312 : x - Step 2: Convert to fraction form
149,431,950.84/206,221,220.01 = 86,703,312/x - Step 3: Cross multiply
149,431,950.84x = 206,221,220.01 × 86,703,312 - Step 4: Simplify right side
149,431,950.84x = 17,880,062,779,547,672 - Step 5: Solve for x
x = 17,880,062,779,547,672/149,431,950.84 - Step 6: Final answer
x = 119,653,545.84
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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.