Finding the Fourth Proportional to 83,643,345.60, 125,468,704.80 and 47,251,204.80
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Solution
The fourth proportional to 83,643,345.60, 125,468,704.80 and 47,251,204.80 is: 70,878,889.69
Step by Step Solution
- Step 1: Write the proportion equation
83,643,345.60 : 125,468,704.80 = 47,251,204.80 : x - Step 2: Convert to fraction form
83,643,345.60/125,468,704.80 = 47,251,204.80/x - Step 3: Cross multiply
83,643,345.60x = 125,468,704.80 × 47,251,204.80 - Step 4: Simplify right side
83,643,345.60x = 5,928,547,466,495,543 - Step 5: Solve for x
x = 5,928,547,466,495,543/83,643,345.60 - Step 6: Final answer
x = 70,878,889.69
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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.