Finding the Fourth Proportional to 105,062,690.84, 157,689,669.16 and 55,919,801.84
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Solution
The fourth proportional to 105,062,690.84, 157,689,669.16 and 55,919,801.84 is: 83,930,603.54
Step by Step Solution
- Step 1: Write the proportion equation
105,062,690.84 : 157,689,669.16 = 55,919,801.84 : x - Step 2: Convert to fraction form
105,062,690.84/157,689,669.16 = 55,919,801.84/x - Step 3: Cross multiply
105,062,690.84x = 157,689,669.16 × 55,919,801.84 - Step 4: Simplify right side
105,062,690.84x = 8,817,975,051,642,360 - Step 5: Solve for x
x = 8,817,975,051,642,360/105,062,690.84 - Step 6: Final answer
x = 83,930,603.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.