Home / 117,889,813.72-176,005,809.40-90,078,176.96

Finding the Fourth Proportional to 117,889,813.72, 176,005,809.40 and 90,078,176.96

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Solution

The fourth proportional to 117,889,813.72, 176,005,809.40 and 90,078,176.96 is: 134,483,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,889,813.72 : 176,005,809.40 = 90,078,176.96 : x
  2. Step 2: Convert to fraction form
    117,889,813.72/176,005,809.40 = 90,078,176.96/x
  3. Step 3: Cross multiply
    117,889,813.72x = 176,005,809.40 × 90,078,176.96
  4. Step 4: Simplify right side
    117,889,813.72x = 15,854,282,445,121,230
  5. Step 5: Solve for x
    x = 15,854,282,445,121,230/117,889,813.72
  6. Step 6: Final answer
    x = 134,483,904.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.