Home / 124,525,281.70-186,867,638.70-72,709,784.20

Finding the Fourth Proportional to 124,525,281.70, 186,867,638.70 and 72,709,784.20

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Solution

The fourth proportional to 124,525,281.70, 186,867,638.70 and 72,709,784.20 is: 109,111,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525,281.70 : 186,867,638.70 = 72,709,784.20 : x
  2. Step 2: Convert to fraction form
    124,525,281.70/186,867,638.70 = 72,709,784.20/x
  3. Step 3: Cross multiply
    124,525,281.70x = 186,867,638.70 × 72,709,784.20
  4. Step 4: Simplify right side
    124,525,281.70x = 13,587,105,683,840,568
  5. Step 5: Solve for x
    x = 13,587,105,683,840,568/124,525,281.70
  6. Step 6: Final answer
    x = 109,111,222.22

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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.