Finding the Fourth Proportional to 85,547,950.95, 128,270,666.79 and 27,230,444.13
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Solution
The fourth proportional to 85,547,950.95, 128,270,666.79 and 27,230,444.13 is: 40,829,349.93
Step by Step Solution
- Step 1: Write the proportion equation
85,547,950.95 : 128,270,666.79 = 27,230,444.13 : x - Step 2: Convert to fraction form
85,547,950.95/128,270,666.79 = 27,230,444.13/x - Step 3: Cross multiply
85,547,950.95x = 128,270,666.79 × 27,230,444.13 - Step 4: Simplify right side
85,547,950.95x = 3,492,867,225,542,941.50 - Step 5: Solve for x
x = 3,492,867,225,542,941.50/85,547,950.95 - Step 6: Final answer
x = 40,829,349.93
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.