Finding the Fourth Proportional to 105,141,496.19, 157,454,703.16 and 86,833,681.79
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Solution
The fourth proportional to 105,141,496.19, 157,454,703.16 and 86,833,681.79 is: 130,037,826.03
Step by Step Solution
- Step 1: Write the proportion equation
105,141,496.19 : 157,454,703.16 = 86,833,681.79 : x - Step 2: Convert to fraction form
105,141,496.19/157,454,703.16 = 86,833,681.79/x - Step 3: Cross multiply
105,141,496.19x = 157,454,703.16 × 86,833,681.79 - Step 4: Simplify right side
105,141,496.19x = 13,672,371,589,529,990 - Step 5: Solve for x
x = 13,672,371,589,529,990/105,141,496.19 - Step 6: Final answer
x = 130,037,826.03
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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.