Home / 58,281,990.38-87,421,785.26-19,423,263.80

Finding the Fourth Proportional to 58,281,990.38, 87,421,785.26 and 19,423,263.80

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Solution

The fourth proportional to 58,281,990.38, 87,421,785.26 and 19,423,263.80 is: 29,134,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281,990.38 : 87,421,785.26 = 19,423,263.80 : x
  2. Step 2: Convert to fraction form
    58,281,990.38/87,421,785.26 = 19,423,263.80/x
  3. Step 3: Cross multiply
    58,281,990.38x = 87,421,785.26 × 19,423,263.80
  4. Step 4: Simplify right side
    58,281,990.38x = 1,698,016,396,971,931.75
  5. Step 5: Solve for x
    x = 1,698,016,396,971,931.75/58,281,990.38
  6. Step 6: Final answer
    x = 29,134,495.68

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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.