Finding the Fourth Proportional to 93,312,135.80, 139,968,203.70 and 73,828,590.20
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Solution
The fourth proportional to 93,312,135.80, 139,968,203.70 and 73,828,590.20 is: 110,742,885.30
Step by Step Solution
- Step 1: Write the proportion equation
93,312,135.80 : 139,968,203.70 = 73,828,590.20 : x - Step 2: Convert to fraction form
93,312,135.80/139,968,203.70 = 73,828,590.20/x - Step 3: Cross multiply
93,312,135.80x = 139,968,203.70 × 73,828,590.20 - Step 4: Simplify right side
93,312,135.80x = 10,333,655,151,997,424 - Step 5: Solve for x
x = 10,333,655,151,997,424/93,312,135.80 - Step 6: Final answer
x = 110,742,885.30
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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.