Finding the Fourth Proportional to 51,247,686.01, 70,657,655.12 and 42,772,991.98
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Solution
The fourth proportional to 51,247,686.01, 70,657,655.12 and 42,772,991.98 is: 58,973,185.94
Step by Step Solution
- Step 1: Write the proportion equation
51,247,686.01 : 70,657,655.12 = 42,772,991.98 : x - Step 2: Convert to fraction form
51,247,686.01/70,657,655.12 = 42,772,991.98/x - Step 3: Cross multiply
51,247,686.01x = 70,657,655.12 × 42,772,991.98 - Step 4: Simplify right side
51,247,686.01x = 3,022,239,315,615,471 - Step 5: Solve for x
x = 3,022,239,315,615,471/51,247,686.01 - Step 6: Final answer
x = 58,973,185.94
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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.