Home / 65,343,651.40-98,015,477.10-47,203,798.60

Finding the Fourth Proportional to 65,343,651.40, 98,015,477.10 and 47,203,798.60

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Solution

The fourth proportional to 65,343,651.40, 98,015,477.10 and 47,203,798.60 is: 70,805,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,343,651.40 : 98,015,477.10 = 47,203,798.60 : x
  2. Step 2: Convert to fraction form
    65,343,651.40/98,015,477.10 = 47,203,798.60/x
  3. Step 3: Cross multiply
    65,343,651.40x = 98,015,477.10 × 47,203,798.60
  4. Step 4: Simplify right side
    65,343,651.40x = 4,626,702,840,711,312
  5. Step 5: Solve for x
    x = 4,626,702,840,711,312/65,343,651.40
  6. Step 6: Final answer
    x = 70,805,697.90

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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.