Finding the Fourth Proportional to 70,482,545.39, 97,258,024.03 and 39,121,916.16
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Solution
The fourth proportional to 70,482,545.39, 97,258,024.03 and 39,121,916.16 is: 53,983,865.67
Step by Step Solution
- Step 1: Write the proportion equation
70,482,545.39 : 97,258,024.03 = 39,121,916.16 : x - Step 2: Convert to fraction form
70,482,545.39/97,258,024.03 = 39,121,916.16/x - Step 3: Cross multiply
70,482,545.39x = 97,258,024.03 × 39,121,916.16 - Step 4: Simplify right side
70,482,545.39x = 3,804,920,262,426,050 - Step 5: Solve for x
x = 3,804,920,262,426,050/70,482,545.39 - Step 6: Final answer
x = 53,983,865.67
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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.