Finding the Fourth Proportional to 166,495,251.60, 249,742,877.40 and 163,944,334.80
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Solution
The fourth proportional to 166,495,251.60, 249,742,877.40 and 163,944,334.80 is: 245,916,502.20
Step by Step Solution
- Step 1: Write the proportion equation
166,495,251.60 : 249,742,877.40 = 163,944,334.80 : x - Step 2: Convert to fraction form
166,495,251.60/249,742,877.40 = 163,944,334.80/x - Step 3: Cross multiply
166,495,251.60x = 249,742,877.40 × 163,944,334.80 - Step 4: Simplify right side
166,495,251.60x = 40,943,929,906,380,960 - Step 5: Solve for x
x = 40,943,929,906,380,960/166,495,251.60 - Step 6: Final answer
x = 245,916,502.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.