Home / 64,678,719.12-89,256,421-35,310,413.04

Finding the Fourth Proportional to 64,678,719.12, 89,256,421 and 35,310,413.04

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Solution

The fourth proportional to 64,678,719.12, 89,256,421 and 35,310,413.04 is: 48,728,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,678,719.12 : 89,256,421 = 35,310,413.04 : x
  2. Step 2: Convert to fraction form
    64,678,719.12/89,256,421 = 35,310,413.04/x
  3. Step 3: Cross multiply
    64,678,719.12x = 89,256,421 × 35,310,413.04
  4. Step 4: Simplify right side
    64,678,719.12x = 3,151,681,091,982,130
  5. Step 5: Solve for x
    x = 3,151,681,091,982,130/64,678,719.12
  6. Step 6: Final answer
    x = 48,728,254.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.