Home / 91,189,826.01-136,783,880.96-39,411,038.79

Finding the Fourth Proportional to 91,189,826.01, 136,783,880.96 and 39,411,038.79

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Solution

The fourth proportional to 91,189,826.01, 136,783,880.96 and 39,411,038.79 is: 59,116,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,189,826.01 : 136,783,880.96 = 39,411,038.79 : x
  2. Step 2: Convert to fraction form
    91,189,826.01/136,783,880.96 = 39,411,038.79/x
  3. Step 3: Cross multiply
    91,189,826.01x = 136,783,880.96 × 39,411,038.79
  4. Step 4: Simplify right side
    91,189,826.01x = 5,390,794,838,164,248
  5. Step 5: Solve for x
    x = 5,390,794,838,164,248/91,189,826.01
  6. Step 6: Final answer
    x = 59,116,187.34

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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.