Home / 65,553,964.20-98,330,946.30-53,437,109.40

Finding the Fourth Proportional to 65,553,964.20, 98,330,946.30 and 53,437,109.40

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Solution

The fourth proportional to 65,553,964.20, 98,330,946.30 and 53,437,109.40 is: 80,155,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,553,964.20 : 98,330,946.30 = 53,437,109.40 : x
  2. Step 2: Convert to fraction form
    65,553,964.20/98,330,946.30 = 53,437,109.40/x
  3. Step 3: Cross multiply
    65,553,964.20x = 98,330,946.30 × 53,437,109.40
  4. Step 4: Simplify right side
    65,553,964.20x = 5,254,521,534,838,625
  5. Step 5: Solve for x
    x = 5,254,521,534,838,625/65,553,964.20
  6. Step 6: Final answer
    x = 80,155,664.10

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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.