Finding the Fourth Proportional to 156,065,207.60, 215,369,911.58 and 93,341,304.48
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Solution
The fourth proportional to 156,065,207.60, 215,369,911.58 and 93,341,304.48 is: 128,810,955.38
Step by Step Solution
- Step 1: Write the proportion equation
156,065,207.60 : 215,369,911.58 = 93,341,304.48 : x - Step 2: Convert to fraction form
156,065,207.60/215,369,911.58 = 93,341,304.48/x - Step 3: Cross multiply
156,065,207.60x = 215,369,911.58 × 93,341,304.48 - Step 4: Simplify right side
156,065,207.60x = 20,102,908,492,619,460 - Step 5: Solve for x
x = 20,102,908,492,619,460/156,065,207.60 - Step 6: Final answer
x = 128,810,955.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.