Finding the Fourth Proportional to 81,730,284.12, 122,625,319.74 and 38,031,883.59
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Solution
The fourth proportional to 81,730,284.12, 122,625,319.74 and 38,031,883.59 is: 57,061,735.88
Step by Step Solution
- Step 1: Write the proportion equation
81,730,284.12 : 122,625,319.74 = 38,031,883.59 : x - Step 2: Convert to fraction form
81,730,284.12/122,625,319.74 = 38,031,883.59/x - Step 3: Cross multiply
81,730,284.12x = 122,625,319.74 × 38,031,883.59 - Step 4: Simplify right side
81,730,284.12x = 4,663,671,885,855,434 - Step 5: Solve for x
x = 4,663,671,885,855,434/81,730,284.12 - Step 6: Final answer
x = 57,061,735.88
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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.