Finding the Fourth Proportional to 70,712,437.76, 106,070,937.60 and 19,594,949.12
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Solution
The fourth proportional to 70,712,437.76, 106,070,937.60 and 19,594,949.12 is: 29,393,055.75
Step by Step Solution
- Step 1: Write the proportion equation
70,712,437.76 : 106,070,937.60 = 19,594,949.12 : x - Step 2: Convert to fraction form
70,712,437.76/106,070,937.60 = 19,594,949.12/x - Step 3: Cross multiply
70,712,437.76x = 106,070,937.60 × 19,594,949.12 - Step 4: Simplify right side
70,712,437.76x = 2,078,454,625,382,695 - Step 5: Solve for x
x = 2,078,454,625,382,695/70,712,437.76 - Step 6: Final answer
x = 29,393,055.75
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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.