Finding the Fourth Proportional to 57,884,848.27, 79,881,230.06 and 31,781,048.74
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Solution
The fourth proportional to 57,884,848.27, 79,881,230.06 and 31,781,048.74 is: 43,857,923.82
Step by Step Solution
- Step 1: Write the proportion equation
57,884,848.27 : 79,881,230.06 = 31,781,048.74 : x - Step 2: Convert to fraction form
57,884,848.27/79,881,230.06 = 31,781,048.74/x - Step 3: Cross multiply
57,884,848.27x = 79,881,230.06 × 31,781,048.74 - Step 4: Simplify right side
57,884,848.27x = 2,538,709,265,708,584 - Step 5: Solve for x
x = 2,538,709,265,708,584/57,884,848.27 - Step 6: Final answer
x = 43,857,923.82
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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.