Home / 145,185,923.60-217,778,885.40-112,307,440.40

Finding the Fourth Proportional to 145,185,923.60, 217,778,885.40 and 112,307,440.40

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Solution

The fourth proportional to 145,185,923.60, 217,778,885.40 and 112,307,440.40 is: 168,461,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,185,923.60 : 217,778,885.40 = 112,307,440.40 : x
  2. Step 2: Convert to fraction form
    145,185,923.60/217,778,885.40 = 112,307,440.40/x
  3. Step 3: Cross multiply
    145,185,923.60x = 217,778,885.40 × 112,307,440.40
  4. Step 4: Simplify right side
    145,185,923.60x = 24,458,189,192,438,932
  5. Step 5: Solve for x
    x = 24,458,189,192,438,932/145,185,923.60
  6. Step 6: Final answer
    x = 168,461,160.60

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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.