Home / 90,958,101.60-136,437,152.40-69,434,741.10

Finding the Fourth Proportional to 90,958,101.60, 136,437,152.40 and 69,434,741.10

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Solution

The fourth proportional to 90,958,101.60, 136,437,152.40 and 69,434,741.10 is: 104,152,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,958,101.60 : 136,437,152.40 = 69,434,741.10 : x
  2. Step 2: Convert to fraction form
    90,958,101.60/136,437,152.40 = 69,434,741.10/x
  3. Step 3: Cross multiply
    90,958,101.60x = 136,437,152.40 × 69,434,741.10
  4. Step 4: Simplify right side
    90,958,101.60x = 9,473,478,353,315,244
  5. Step 5: Solve for x
    x = 9,473,478,353,315,244/90,958,101.60
  6. Step 6: Final answer
    x = 104,152,111.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.