Home / 212,720,401.29-293,576,722.52-124,688,362.16

Finding the Fourth Proportional to 212,720,401.29, 293,576,722.52 and 124,688,362.16

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Solution

The fourth proportional to 212,720,401.29, 293,576,722.52 and 124,688,362.16 is: 172,083,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,720,401.29 : 293,576,722.52 = 124,688,362.16 : x
  2. Step 2: Convert to fraction form
    212,720,401.29/293,576,722.52 = 124,688,362.16/x
  3. Step 3: Cross multiply
    212,720,401.29x = 293,576,722.52 × 124,688,362.16
  4. Step 4: Simplify right side
    212,720,401.29x = 36,605,600,699,430,088
  5. Step 5: Solve for x
    x = 36,605,600,699,430,088/212,720,401.29
  6. Step 6: Final answer
    x = 172,083,168.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.