Home / 212,810,486.04-293,681,730.24-124,683,396.48

Finding the Fourth Proportional to 212,810,486.04, 293,681,730.24 and 124,683,396.48

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Solution

The fourth proportional to 212,810,486.04, 293,681,730.24 and 124,683,396.48 is: 172,064,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,810,486.04 : 293,681,730.24 = 124,683,396.48 : x
  2. Step 2: Convert to fraction form
    212,810,486.04/293,681,730.24 = 124,683,396.48/x
  3. Step 3: Cross multiply
    212,810,486.04x = 293,681,730.24 × 124,683,396.48
  4. Step 4: Simplify right side
    212,810,486.04x = 36,617,235,610,446,328
  5. Step 5: Solve for x
    x = 36,617,235,610,446,328/212,810,486.04
  6. Step 6: Final answer
    x = 172,064,996.85

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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.