Finding the Fourth Proportional to 42,708,551.48, 58,943,664.87 and 26,185,754.06
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Solution
The fourth proportional to 42,708,551.48, 58,943,664.87 and 26,185,754.06 is: 36,139,935.87
Step by Step Solution
- Step 1: Write the proportion equation
42,708,551.48 : 58,943,664.87 = 26,185,754.06 : x - Step 2: Convert to fraction form
42,708,551.48/58,943,664.87 = 26,185,754.06/x - Step 3: Cross multiply
42,708,551.48x = 58,943,664.87 × 26,185,754.06 - Step 4: Simplify right side
42,708,551.48x = 1,543,484,311,680,881.75 - Step 5: Solve for x
x = 1,543,484,311,680,881.75/42,708,551.48 - Step 6: Final answer
x = 36,139,935.87
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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.