Home / 133,544,767.20-200,317,150.80-120,365,030.40

Finding the Fourth Proportional to 133,544,767.20, 200,317,150.80 and 120,365,030.40

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Solution

The fourth proportional to 133,544,767.20, 200,317,150.80 and 120,365,030.40 is: 180,547,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,544,767.20 : 200,317,150.80 = 120,365,030.40 : x
  2. Step 2: Convert to fraction form
    133,544,767.20/200,317,150.80 = 120,365,030.40/x
  3. Step 3: Cross multiply
    133,544,767.20x = 200,317,150.80 × 120,365,030.40
  4. Step 4: Simplify right side
    133,544,767.20x = 24,111,179,945,683,388
  5. Step 5: Solve for x
    x = 24,111,179,945,683,388/133,544,767.20
  6. Step 6: Final answer
    x = 180,547,545.60

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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.