Home / 119,184,421.60-178,776,632.40-70,811,480.80

Finding the Fourth Proportional to 119,184,421.60, 178,776,632.40 and 70,811,480.80

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Solution

The fourth proportional to 119,184,421.60, 178,776,632.40 and 70,811,480.80 is: 106,217,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,184,421.60 : 178,776,632.40 = 70,811,480.80 : x
  2. Step 2: Convert to fraction form
    119,184,421.60/178,776,632.40 = 70,811,480.80/x
  3. Step 3: Cross multiply
    119,184,421.60x = 178,776,632.40 × 70,811,480.80
  4. Step 4: Simplify right side
    119,184,421.60x = 12,659,438,072,681,258
  5. Step 5: Solve for x
    x = 12,659,438,072,681,258/119,184,421.60
  6. Step 6: Final answer
    x = 106,217,221.20

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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.