Finding the Fourth Proportional to 207,838,656.14, 286,805,675.48 and 113,752,610.70
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Solution
The fourth proportional to 207,838,656.14, 286,805,675.48 and 113,752,610.70 is: 156,972,215.64
Step by Step Solution
- Step 1: Write the proportion equation
207,838,656.14 : 286,805,675.48 = 113,752,610.70 : x - Step 2: Convert to fraction form
207,838,656.14/286,805,675.48 = 113,752,610.70/x - Step 3: Cross multiply
207,838,656.14x = 286,805,675.48 × 113,752,610.70 - Step 4: Simplify right side
207,838,656.14x = 32,624,894,349,426,980 - Step 5: Solve for x
x = 32,624,894,349,426,980/207,838,656.14 - Step 6: Final answer
x = 156,972,215.64
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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.