Finding the Fourth Proportional to 98,664,155,268.99, 136,153,011,404.08 and 55,843,718,774.46
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Solution
The fourth proportional to 98,664,155,268.99, 136,153,011,404.08 and 55,843,718,774.46 is: 77,062,337,972.86
Step by Step Solution
- Step 1: Write the proportion equation
98,664,155,268.99 : 136,153,011,404.08 = 55,843,718,774.46 : x - Step 2: Convert to fraction form
98,664,155,268.99/136,153,011,404.08 = 55,843,718,774.46/x - Step 3: Cross multiply
98,664,155,268.99x = 136,153,011,404.08 × 55,843,718,774.46 - Step 4: Simplify right side
98,664,155,268.99x = 7,603,290,479,145,288,466,432 - Step 5: Solve for x
x = 7,603,290,479,145,288,466,432/98,664,155,268.99 - Step 6: Final answer
x = 77,062,337,972.86
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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.