Finding the Fourth Proportional to 102,648,810.08, 141,655,354.80 and 56,240,821.28
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Solution
The fourth proportional to 102,648,810.08, 141,655,354.80 and 56,240,821.28 is: 77,612,331.66
Step by Step Solution
- Step 1: Write the proportion equation
102,648,810.08 : 141,655,354.80 = 56,240,821.28 : x - Step 2: Convert to fraction form
102,648,810.08/141,655,354.80 = 56,240,821.28/x - Step 3: Cross multiply
102,648,810.08x = 141,655,354.80 × 56,240,821.28 - Step 4: Simplify right side
102,648,810.08x = 7,966,813,492,661,791 - Step 5: Solve for x
x = 7,966,813,492,661,791/102,648,810.08 - Step 6: Final answer
x = 77,612,331.66
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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.