Finding the Fourth Proportional to 98,941,587.68, 136,539,551.88 and 54,888,587.58
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Solution
The fourth proportional to 98,941,587.68, 136,539,551.88 and 54,888,587.58 is: 75,746,340.11
Step by Step Solution
- Step 1: Write the proportion equation
98,941,587.68 : 136,539,551.88 = 54,888,587.58 : x - Step 2: Convert to fraction form
98,941,587.68/136,539,551.88 = 54,888,587.58/x - Step 3: Cross multiply
98,941,587.68x = 136,539,551.88 × 54,888,587.58 - Step 4: Simplify right side
98,941,587.68x = 7,494,463,152,011,357 - Step 5: Solve for x
x = 7,494,463,152,011,357/98,941,587.68 - Step 6: Final answer
x = 75,746,340.11
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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.