Home / 84,574,138.88-126,850,386.72-27,061,598.72

Finding the Fourth Proportional to 84,574,138.88, 126,850,386.72 and 27,061,598.72

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Solution

The fourth proportional to 84,574,138.88, 126,850,386.72 and 27,061,598.72 is: 40,588,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,574,138.88 : 126,850,386.72 = 27,061,598.72 : x
  2. Step 2: Convert to fraction form
    84,574,138.88/126,850,386.72 = 27,061,598.72/x
  3. Step 3: Cross multiply
    84,574,138.88x = 126,850,386.72 × 27,061,598.72
  4. Step 4: Simplify right side
    84,574,138.88x = 3,432,774,262,893,457
  5. Step 5: Solve for x
    x = 3,432,774,262,893,457/84,574,138.88
  6. Step 6: Final answer
    x = 40,588,935.44

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1.5x scale

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.