Home / 130,107,632.71-179,546,856.75-74,352,413.86

Finding the Fourth Proportional to 130,107,632.71, 179,546,856.75 and 74,352,413.86

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Solution

The fourth proportional to 130,107,632.71, 179,546,856.75 and 74,352,413.86 is: 102,605,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,107,632.71 : 179,546,856.75 = 74,352,413.86 : x
  2. Step 2: Convert to fraction form
    130,107,632.71/179,546,856.75 = 74,352,413.86/x
  3. Step 3: Cross multiply
    130,107,632.71x = 179,546,856.75 × 74,352,413.86
  4. Step 4: Simplify right side
    130,107,632.71x = 13,349,742,200,338,134
  5. Step 5: Solve for x
    x = 13,349,742,200,338,134/130,107,632.71
  6. Step 6: Final answer
    x = 102,605,373.12

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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.