Finding the Fourth Proportional to 229,433,031.38, 316,617,628.86 and 125,011,102.70
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Solution
The fourth proportional to 229,433,031.38, 316,617,628.86 and 125,011,102.70 is: 172,515,346.55
Step by Step Solution
- Step 1: Write the proportion equation
229,433,031.38 : 316,617,628.86 = 125,011,102.70 : x - Step 2: Convert to fraction form
229,433,031.38/316,617,628.86 = 125,011,102.70/x - Step 3: Cross multiply
229,433,031.38x = 316,617,628.86 × 125,011,102.70 - Step 4: Simplify right side
229,433,031.38x = 39,580,718,918,047,944 - Step 5: Solve for x
x = 39,580,718,918,047,944/229,433,031.38 - Step 6: Final answer
x = 172,515,346.55
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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.