Home / 131,706,004.80-197,559,007.20-85,789,502.40

Finding the Fourth Proportional to 131,706,004.80, 197,559,007.20 and 85,789,502.40

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Solution

The fourth proportional to 131,706,004.80, 197,559,007.20 and 85,789,502.40 is: 128,684,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,706,004.80 : 197,559,007.20 = 85,789,502.40 : x
  2. Step 2: Convert to fraction form
    131,706,004.80/197,559,007.20 = 85,789,502.40/x
  3. Step 3: Cross multiply
    131,706,004.80x = 197,559,007.20 × 85,789,502.40
  4. Step 4: Simplify right side
    131,706,004.80x = 16,948,488,922,326,018
  5. Step 5: Solve for x
    x = 16,948,488,922,326,018/131,706,004.80
  6. Step 6: Final answer
    x = 128,684,253.60

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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.