Home / 55,730,159.40-83,562,122.70-21,189,089.58

Finding the Fourth Proportional to 55,730,159.40, 83,562,122.70 and 21,189,089.58

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Solution

The fourth proportional to 55,730,159.40, 83,562,122.70 and 21,189,089.58 is: 31,771,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730,159.40 : 83,562,122.70 = 21,189,089.58 : x
  2. Step 2: Convert to fraction form
    55,730,159.40/83,562,122.70 = 21,189,089.58/x
  3. Step 3: Cross multiply
    55,730,159.40x = 83,562,122.70 × 21,189,089.58
  4. Step 4: Simplify right side
    55,730,159.40x = 1,770,605,303,123,373.50
  5. Step 5: Solve for x
    x = 1,770,605,303,123,373.50/55,730,159.40
  6. Step 6: Final answer
    x = 31,771,043.23

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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.