Home / 72,576,011.70-108,864,017.55-70,112,574.90

Finding the Fourth Proportional to 72,576,011.70, 108,864,017.55 and 70,112,574.90

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Solution

The fourth proportional to 72,576,011.70, 108,864,017.55 and 70,112,574.90 is: 105,168,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,576,011.70 : 108,864,017.55 = 70,112,574.90 : x
  2. Step 2: Convert to fraction form
    72,576,011.70/108,864,017.55 = 70,112,574.90/x
  3. Step 3: Cross multiply
    72,576,011.70x = 108,864,017.55 × 70,112,574.90
  4. Step 4: Simplify right side
    72,576,011.70x = 7,632,736,584,389,290
  5. Step 5: Solve for x
    x = 7,632,736,584,389,290/72,576,011.70
  6. Step 6: Final answer
    x = 105,168,862.35

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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.