Finding the Fourth Proportional to 98,564,718.56, 136,013,811.36 and 53,901,877.04
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Solution
The fourth proportional to 98,564,718.56, 136,013,811.36 and 53,901,877.04 is: 74,381,582.40
Step by Step Solution
- Step 1: Write the proportion equation
98,564,718.56 : 136,013,811.36 = 53,901,877.04 : x - Step 2: Convert to fraction form
98,564,718.56/136,013,811.36 = 53,901,877.04/x - Step 3: Cross multiply
98,564,718.56x = 136,013,811.36 × 53,901,877.04 - Step 4: Simplify right side
98,564,718.56x = 7,331,399,735,668,476 - Step 5: Solve for x
x = 7,331,399,735,668,476/98,564,718.56 - Step 6: Final answer
x = 74,381,582.40
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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.