Finding the Fourth Proportional to 86,357,961.24, 129,572,746.02 and 37,810,757.40
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Solution
The fourth proportional to 86,357,961.24, 129,572,746.02 and 37,810,757.40 is: 56,731,812.51
Step by Step Solution
- Step 1: Write the proportion equation
86,357,961.24 : 129,572,746.02 = 37,810,757.40 : x - Step 2: Convert to fraction form
86,357,961.24/129,572,746.02 = 37,810,757.40/x - Step 3: Cross multiply
86,357,961.24x = 129,572,746.02 × 37,810,757.40 - Step 4: Simplify right side
86,357,961.24x = 4,899,243,665,414,035 - Step 5: Solve for x
x = 4,899,243,665,414,035/86,357,961.24 - Step 6: Final answer
x = 56,731,812.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.