Finding the Fourth Proportional to 93,312,089.30, 139,968,133.95 and 57,430,514.90
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Solution
The fourth proportional to 93,312,089.30, 139,968,133.95 and 57,430,514.90 is: 86,145,772.35
Step by Step Solution
- Step 1: Write the proportion equation
93,312,089.30 : 139,968,133.95 = 57,430,514.90 : x - Step 2: Convert to fraction form
93,312,089.30/139,968,133.95 = 57,430,514.90/x - Step 3: Cross multiply
93,312,089.30x = 139,968,133.95 × 57,430,514.90 - Step 4: Simplify right side
93,312,089.30x = 8,038,442,002,340,670 - Step 5: Solve for x
x = 8,038,442,002,340,670/93,312,089.30 - Step 6: Final answer
x = 86,145,772.35
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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.