Home / 315,467,801.77-473,216,317.08-97,127,923.72

Finding the Fourth Proportional to 315,467,801.77, 473,216,317.08 and 97,127,923.72

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Solution

The fourth proportional to 315,467,801.77, 473,216,317.08 and 97,127,923.72 is: 145,696,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,467,801.77 : 473,216,317.08 = 97,127,923.72 : x
  2. Step 2: Convert to fraction form
    315,467,801.77/473,216,317.08 = 97,127,923.72/x
  3. Step 3: Cross multiply
    315,467,801.77x = 473,216,317.08 × 97,127,923.72
  4. Step 4: Simplify right side
    315,467,801.77x = 45,962,518,348,405,568
  5. Step 5: Solve for x
    x = 45,962,518,348,405,568/315,467,801.77
  6. Step 6: Final answer
    x = 145,696,385.15

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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.