Home / 98,385,128.40-147,667,247.28-52,365,632.88

Finding the Fourth Proportional to 98,385,128.40, 147,667,247.28 and 52,365,632.88

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Solution

The fourth proportional to 98,385,128.40, 147,667,247.28 and 52,365,632.88 is: 78,596,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,385,128.40 : 147,667,247.28 = 52,365,632.88 : x
  2. Step 2: Convert to fraction form
    98,385,128.40/147,667,247.28 = 52,365,632.88/x
  3. Step 3: Cross multiply
    98,385,128.40x = 147,667,247.28 × 52,365,632.88
  4. Step 4: Simplify right side
    98,385,128.40x = 7,732,688,859,464,659
  5. Step 5: Solve for x
    x = 7,732,688,859,464,659/98,385,128.40
  6. Step 6: Final answer
    x = 78,596,114.93

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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.