Finding the Fourth Proportional to 93,312,239.30, 139,968,358.96 and 87,340,271.30
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Solution
The fourth proportional to 93,312,239.30, 139,968,358.96 and 87,340,271.30 is: 131,010,406.96
Step by Step Solution
- Step 1: Write the proportion equation
93,312,239.30 : 139,968,358.96 = 87,340,271.30 : x - Step 2: Convert to fraction form
93,312,239.30/139,968,358.96 = 87,340,271.30/x - Step 3: Cross multiply
93,312,239.30x = 139,968,358.96 × 87,340,271.30 - Step 4: Simplify right side
93,312,239.30x = 12,224,874,444,982,186 - Step 5: Solve for x
x = 12,224,874,444,982,186/93,312,239.30 - Step 6: Final answer
x = 131,010,406.96
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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.