Home / 212,720,887.76-293,577,395.28-124,688,848.88

Finding the Fourth Proportional to 212,720,887.76, 293,577,395.28 and 124,688,848.88

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Solution

The fourth proportional to 212,720,887.76, 293,577,395.28 and 124,688,848.88 is: 172,083,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,720,887.76 : 293,577,395.28 = 124,688,848.88 : x
  2. Step 2: Convert to fraction form
    212,720,887.76/293,577,395.28 = 124,688,848.88/x
  3. Step 3: Cross multiply
    212,720,887.76x = 293,577,395.28 × 124,688,848.88
  4. Step 4: Simplify right side
    212,720,887.76x = 36,605,827,474,651,944
  5. Step 5: Solve for x
    x = 36,605,827,474,651,944/212,720,887.76
  6. Step 6: Final answer
    x = 172,083,841.23

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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.