Home / 55,742,057.10-83,580,543.09-21,623,535.18

Finding the Fourth Proportional to 55,742,057.10, 83,580,543.09 and 21,623,535.18

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Solution

The fourth proportional to 55,742,057.10, 83,580,543.09 and 21,623,535.18 is: 32,422,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,742,057.10 : 83,580,543.09 = 21,623,535.18 : x
  2. Step 2: Convert to fraction form
    55,742,057.10/83,580,543.09 = 21,623,535.18/x
  3. Step 3: Cross multiply
    55,742,057.10x = 83,580,543.09 × 21,623,535.18
  4. Step 4: Simplify right side
    55,742,057.10x = 1,807,306,813,870,121
  5. Step 5: Solve for x
    x = 1,807,306,813,870,121/55,742,057.10
  6. Step 6: Final answer
    x = 32,422,678.82

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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.