Finding the Fourth Proportional to 65,109,257.40, 97,679,438.10 and 19,671,497.40
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Solution
The fourth proportional to 65,109,257.40, 97,679,438.10 and 19,671,497.40 is: 29,511,944.83
Step by Step Solution
- Step 1: Write the proportion equation
65,109,257.40 : 97,679,438.10 = 19,671,497.40 : x - Step 2: Convert to fraction form
65,109,257.40/97,679,438.10 = 19,671,497.40/x - Step 3: Cross multiply
65,109,257.40x = 97,679,438.10 × 19,671,497.40 - Step 4: Simplify right side
65,109,257.40x = 1,921,500,812,617,610.75 - Step 5: Solve for x
x = 1,921,500,812,617,610.75/65,109,257.40 - Step 6: Final answer
x = 29,511,944.83
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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.