Finding the Fourth Proportional to 307,940,931.36, 461,911,991.40 and 74,770,660.08
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Solution
The fourth proportional to 307,940,931.36, 461,911,991.40 and 74,770,660.08 is: 112,156,134.44
Step by Step Solution
- Step 1: Write the proportion equation
307,940,931.36 : 461,911,991.40 = 74,770,660.08 : x - Step 2: Convert to fraction form
307,940,931.36/461,911,991.40 = 74,770,660.08/x - Step 3: Cross multiply
307,940,931.36x = 461,911,991.40 × 74,770,660.08 - Step 4: Simplify right side
307,940,931.36x = 34,537,464,495,845,280 - Step 5: Solve for x
x = 34,537,464,495,845,280/307,940,931.36 - Step 6: Final answer
x = 112,156,134.44
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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.