Finding the Fourth Proportional to 140,363,641.80, 210,559,532.40 and 48,235,246.20
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Solution
The fourth proportional to 140,363,641.80, 210,559,532.40 and 48,235,246.20 is: 72,357,704.28
Step by Step Solution
- Step 1: Write the proportion equation
140,363,641.80 : 210,559,532.40 = 48,235,246.20 : x - Step 2: Convert to fraction form
140,363,641.80/210,559,532.40 = 48,235,246.20/x - Step 3: Cross multiply
140,363,641.80x = 210,559,532.40 × 48,235,246.20 - Step 4: Simplify right side
140,363,641.80x = 10,156,390,885,070,878 - Step 5: Solve for x
x = 10,156,390,885,070,878/140,363,641.80 - Step 6: Final answer
x = 72,357,704.28
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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.