Home / 89,113,315.40-133,669,973.10-58,502,313.80

Finding the Fourth Proportional to 89,113,315.40, 133,669,973.10 and 58,502,313.80

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Solution

The fourth proportional to 89,113,315.40, 133,669,973.10 and 58,502,313.80 is: 87,753,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,113,315.40 : 133,669,973.10 = 58,502,313.80 : x
  2. Step 2: Convert to fraction form
    89,113,315.40/133,669,973.10 = 58,502,313.80/x
  3. Step 3: Cross multiply
    89,113,315.40x = 133,669,973.10 × 58,502,313.80
  4. Step 4: Simplify right side
    89,113,315.40x = 7,820,002,711,933,758
  5. Step 5: Solve for x
    x = 7,820,002,711,933,758/89,113,315.40
  6. Step 6: Final answer
    x = 87,753,470.70

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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.