Home / 106,573,078.86-147,074,415.03-65,312,002.86

Finding the Fourth Proportional to 106,573,078.86, 147,074,415.03 and 65,312,002.86

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Solution

The fourth proportional to 106,573,078.86, 147,074,415.03 and 65,312,002.86 is: 90,132,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,573,078.86 : 147,074,415.03 = 65,312,002.86 : x
  2. Step 2: Convert to fraction form
    106,573,078.86/147,074,415.03 = 65,312,002.86/x
  3. Step 3: Cross multiply
    106,573,078.86x = 147,074,415.03 × 65,312,002.86
  4. Step 4: Simplify right side
    106,573,078.86x = 9,605,724,615,072,186
  5. Step 5: Solve for x
    x = 9,605,724,615,072,186/106,573,078.86
  6. Step 6: Final answer
    x = 90,132,749.45

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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.