Finding the Fourth Proportional to 212,837,330.60, 319,303,235.10 and 97,794,132.20
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Solution
The fourth proportional to 212,837,330.60, 319,303,235.10 and 97,794,132.20 is: 146,712,903.69
Step by Step Solution
- Step 1: Write the proportion equation
212,837,330.60 : 319,303,235.10 = 97,794,132.20 : x - Step 2: Convert to fraction form
212,837,330.60/319,303,235.10 = 97,794,132.20/x - Step 3: Cross multiply
212,837,330.60x = 319,303,235.10 × 97,794,132.20 - Step 4: Simplify right side
212,837,330.60x = 31,225,982,785,257,084 - Step 5: Solve for x
x = 31,225,982,785,257,084/212,837,330.60 - Step 6: Final answer
x = 146,712,903.69
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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.