Home / 92,900,742.21-128,203,522.74-51,087,503.79

Finding the Fourth Proportional to 92,900,742.21, 128,203,522.74 and 51,087,503.79

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Solution

The fourth proportional to 92,900,742.21, 128,203,522.74 and 51,087,503.79 is: 70,501,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,900,742.21 : 128,203,522.74 = 51,087,503.79 : x
  2. Step 2: Convert to fraction form
    92,900,742.21/128,203,522.74 = 51,087,503.79/x
  3. Step 3: Cross multiply
    92,900,742.21x = 128,203,522.74 × 51,087,503.79
  4. Step 4: Simplify right side
    92,900,742.21x = 6,549,597,953,871,101
  5. Step 5: Solve for x
    x = 6,549,597,953,871,101/92,900,742.21
  6. Step 6: Final answer
    x = 70,501,029.36

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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.