Home / 65,610,429.20-98,415,643.80-64,653,835.40

Finding the Fourth Proportional to 65,610,429.20, 98,415,643.80 and 64,653,835.40

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Solution

The fourth proportional to 65,610,429.20, 98,415,643.80 and 64,653,835.40 is: 96,980,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610,429.20 : 98,415,643.80 = 64,653,835.40 : x
  2. Step 2: Convert to fraction form
    65,610,429.20/98,415,643.80 = 64,653,835.40/x
  3. Step 3: Cross multiply
    65,610,429.20x = 98,415,643.80 × 64,653,835.40
  4. Step 4: Simplify right side
    65,610,429.20x = 6,362,948,835,030,230
  5. Step 5: Solve for x
    x = 6,362,948,835,030,230/65,610,429.20
  6. Step 6: Final answer
    x = 96,980,753.10

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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.