Home / 73,210,689.92-101,039,712.24-42,270,807.28

Finding the Fourth Proportional to 73,210,689.92, 101,039,712.24 and 42,270,807.28

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Solution

The fourth proportional to 73,210,689.92, 101,039,712.24 and 42,270,807.28 is: 58,338,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,210,689.92 : 101,039,712.24 = 42,270,807.28 : x
  2. Step 2: Convert to fraction form
    73,210,689.92/101,039,712.24 = 42,270,807.28/x
  3. Step 3: Cross multiply
    73,210,689.92x = 101,039,712.24 × 42,270,807.28
  4. Step 4: Simplify right side
    73,210,689.92x = 4,271,030,203,723,697
  5. Step 5: Solve for x
    x = 4,271,030,203,723,697/73,210,689.92
  6. Step 6: Final answer
    x = 58,338,887.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.