Home / 107,008,140.20-160,512,210.30-79,758,271.40

Finding the Fourth Proportional to 107,008,140.20, 160,512,210.30 and 79,758,271.40

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Solution

The fourth proportional to 107,008,140.20, 160,512,210.30 and 79,758,271.40 is: 119,637,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,008,140.20 : 160,512,210.30 = 79,758,271.40 : x
  2. Step 2: Convert to fraction form
    107,008,140.20/160,512,210.30 = 79,758,271.40/x
  3. Step 3: Cross multiply
    107,008,140.20x = 160,512,210.30 × 79,758,271.40
  4. Step 4: Simplify right side
    107,008,140.20x = 12,802,176,432,121,278
  5. Step 5: Solve for x
    x = 12,802,176,432,121,278/107,008,140.20
  6. Step 6: Final answer
    x = 119,637,407.10

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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.