Home / 253,128,587.40-349,372,088.28-154,041,260.22

Finding the Fourth Proportional to 253,128,587.40, 349,372,088.28 and 154,041,260.22

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Solution

The fourth proportional to 253,128,587.40, 349,372,088.28 and 154,041,260.22 is: 212,610,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,128,587.40 : 349,372,088.28 = 154,041,260.22 : x
  2. Step 2: Convert to fraction form
    253,128,587.40/349,372,088.28 = 154,041,260.22/x
  3. Step 3: Cross multiply
    253,128,587.40x = 349,372,088.28 × 154,041,260.22
  4. Step 4: Simplify right side
    253,128,587.40x = 53,817,716,764,344,288
  5. Step 5: Solve for x
    x = 53,817,716,764,344,288/253,128,587.40
  6. Step 6: Final answer
    x = 212,610,188.83

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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.