Finding the Fourth Proportional to 98,878,336.56, 148,287,209.40 and 68,368,972.14
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Solution
The fourth proportional to 98,878,336.56, 148,287,209.40 and 68,368,972.14 is: 102,532,510.57
Step by Step Solution
- Step 1: Write the proportion equation
98,878,336.56 : 148,287,209.40 = 68,368,972.14 : x - Step 2: Convert to fraction form
98,878,336.56/148,287,209.40 = 68,368,972.14/x - Step 3: Cross multiply
98,878,336.56x = 148,287,209.40 × 68,368,972.14 - Step 4: Simplify right side
98,878,336.56x = 10,138,244,088,186,946 - Step 5: Solve for x
x = 10,138,244,088,186,946/98,878,336.56 - Step 6: Final answer
x = 102,532,510.57
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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.