Home / 90,276,764.60-124,579,827.11-53,109,438

Finding the Fourth Proportional to 90,276,764.60, 124,579,827.11 and 53,109,438

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Solution

The fourth proportional to 90,276,764.60, 124,579,827.11 and 53,109,438 is: 73,289,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,276,764.60 : 124,579,827.11 = 53,109,438 : x
  2. Step 2: Convert to fraction form
    90,276,764.60/124,579,827.11 = 53,109,438/x
  3. Step 3: Cross multiply
    90,276,764.60x = 124,579,827.11 × 53,109,438
  4. Step 4: Simplify right side
    90,276,764.60x = 6,616,364,603,683,717
  5. Step 5: Solve for x
    x = 6,616,364,603,683,717/90,276,764.60
  6. Step 6: Final answer
    x = 73,289,784.29

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1.5x scale

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.