Finding the Fourth Proportional to 93,312,102.90, 139,968,154.35 and 32,719,955.70
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Solution
The fourth proportional to 93,312,102.90, 139,968,154.35 and 32,719,955.70 is: 49,079,933.55
Step by Step Solution
- Step 1: Write the proportion equation
93,312,102.90 : 139,968,154.35 = 32,719,955.70 : x - Step 2: Convert to fraction form
93,312,102.90/139,968,154.35 = 32,719,955.70/x - Step 3: Cross multiply
93,312,102.90x = 139,968,154.35 × 32,719,955.70 - Step 4: Simplify right side
93,312,102.90x = 4,579,751,809,742,762 - Step 5: Solve for x
x = 4,579,751,809,742,762/93,312,102.90 - Step 6: Final answer
x = 49,079,933.55
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Double scale
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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.