Home / 58,218,817.20-87,336,001.80-19,870,695.60

Finding the Fourth Proportional to 58,218,817.20, 87,336,001.80 and 19,870,695.60

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Solution

The fourth proportional to 58,218,817.20, 87,336,001.80 and 19,870,695.60 is: 29,808,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,218,817.20 : 87,336,001.80 = 19,870,695.60 : x
  2. Step 2: Convert to fraction form
    58,218,817.20/87,336,001.80 = 19,870,695.60/x
  3. Step 3: Cross multiply
    58,218,817.20x = 87,336,001.80 × 19,870,695.60
  4. Step 4: Simplify right side
    58,218,817.20x = 1,735,427,106,688,852.25
  5. Step 5: Solve for x
    x = 1,735,427,106,688,852.25/58,218,817.20
  6. Step 6: Final answer
    x = 29,808,697.43

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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.