Finding the Fourth Proportional to 73,758,416.10, 110,637,624.15 and 69,979,280.10
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Solution
The fourth proportional to 73,758,416.10, 110,637,624.15 and 69,979,280.10 is: 104,968,920.15
Step by Step Solution
- Step 1: Write the proportion equation
73,758,416.10 : 110,637,624.15 = 69,979,280.10 : x - Step 2: Convert to fraction form
73,758,416.10/110,637,624.15 = 69,979,280.10/x - Step 3: Cross multiply
73,758,416.10x = 110,637,624.15 × 69,979,280.10 - Step 4: Simplify right side
73,758,416.10x = 7,742,341,289,991,374 - Step 5: Solve for x
x = 7,742,341,289,991,374/73,758,416.10 - Step 6: Final answer
x = 104,968,920.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.