Home / 42,742,533.35-58,984,746.45-23,163,421.61

Finding the Fourth Proportional to 42,742,533.35, 58,984,746.45 and 23,163,421.61

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Solution

The fourth proportional to 42,742,533.35, 58,984,746.45 and 23,163,421.61 is: 31,965,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,742,533.35 : 58,984,746.45 = 23,163,421.61 : x
  2. Step 2: Convert to fraction form
    42,742,533.35/58,984,746.45 = 23,163,421.61/x
  3. Step 3: Cross multiply
    42,742,533.35x = 58,984,746.45 × 23,163,421.61
  4. Step 4: Simplify right side
    42,742,533.35x = 1,366,288,550,285,377.25
  5. Step 5: Solve for x
    x = 1,366,288,550,285,377.25/42,742,533.35
  6. Step 6: Final answer
    x = 31,965,549.15

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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.