Home / 85,209,670.40-127,814,505.60-65,054,278.40

Finding the Fourth Proportional to 85,209,670.40, 127,814,505.60 and 65,054,278.40

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Solution

The fourth proportional to 85,209,670.40, 127,814,505.60 and 65,054,278.40 is: 97,581,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,209,670.40 : 127,814,505.60 = 65,054,278.40 : x
  2. Step 2: Convert to fraction form
    85,209,670.40/127,814,505.60 = 65,054,278.40/x
  3. Step 3: Cross multiply
    85,209,670.40x = 127,814,505.60 × 65,054,278.40
  4. Step 4: Simplify right side
    85,209,670.40x = 8,314,880,430,860,758
  5. Step 5: Solve for x
    x = 8,314,880,430,860,758/85,209,670.40
  6. Step 6: Final answer
    x = 97,581,417.60

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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.