Home / 73,807,856.80-110,711,785.20-28,371,133.60

Finding the Fourth Proportional to 73,807,856.80, 110,711,785.20 and 28,371,133.60

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Solution

The fourth proportional to 73,807,856.80, 110,711,785.20 and 28,371,133.60 is: 42,556,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,807,856.80 : 110,711,785.20 = 28,371,133.60 : x
  2. Step 2: Convert to fraction form
    73,807,856.80/110,711,785.20 = 28,371,133.60/x
  3. Step 3: Cross multiply
    73,807,856.80x = 110,711,785.20 × 28,371,133.60
  4. Step 4: Simplify right side
    73,807,856.80x = 3,141,018,849,003,703
  5. Step 5: Solve for x
    x = 3,141,018,849,003,703/73,807,856.80
  6. Step 6: Final answer
    x = 42,556,700.40

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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.