Home / 72,426,763.60-108,640,145.40-34,163,011.60

Finding the Fourth Proportional to 72,426,763.60, 108,640,145.40 and 34,163,011.60

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Solution

The fourth proportional to 72,426,763.60, 108,640,145.40 and 34,163,011.60 is: 51,244,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,426,763.60 : 108,640,145.40 = 34,163,011.60 : x
  2. Step 2: Convert to fraction form
    72,426,763.60/108,640,145.40 = 34,163,011.60/x
  3. Step 3: Cross multiply
    72,426,763.60x = 108,640,145.40 × 34,163,011.60
  4. Step 4: Simplify right side
    72,426,763.60x = 3,711,474,547,525,887
  5. Step 5: Solve for x
    x = 3,711,474,547,525,887/72,426,763.60
  6. Step 6: Final answer
    x = 51,244,517.40

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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.