Finding the Fourth Proportional to 99,221,537.99, 148,852,173.75 and 55,564,381.21
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Solution
The fourth proportional to 99,221,537.99, 148,852,173.75 and 55,564,381.21 is: 83,357,697.27
Step by Step Solution
- Step 1: Write the proportion equation
99,221,537.99 : 148,852,173.75 = 55,564,381.21 : x - Step 2: Convert to fraction form
99,221,537.99/148,852,173.75 = 55,564,381.21/x - Step 3: Cross multiply
99,221,537.99x = 148,852,173.75 × 55,564,381.21 - Step 4: Simplify right side
99,221,537.99x = 8,270,878,926,182,155 - Step 5: Solve for x
x = 8,270,878,926,182,155/99,221,537.99 - Step 6: Final answer
x = 83,357,697.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.