Home / 260,578,767.40-390,619,319.10-96,772,661.80

Finding the Fourth Proportional to 260,578,767.40, 390,619,319.10 and 96,772,661.80

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Solution

The fourth proportional to 260,578,767.40, 390,619,319.10 and 96,772,661.80 is: 145,066,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,578,767.40 : 390,619,319.10 = 96,772,661.80 : x
  2. Step 2: Convert to fraction form
    260,578,767.40/390,619,319.10 = 96,772,661.80/x
  3. Step 3: Cross multiply
    260,578,767.40x = 390,619,319.10 × 96,772,661.80
  4. Step 4: Simplify right side
    260,578,767.40x = 37,801,271,259,810,584
  5. Step 5: Solve for x
    x = 37,801,271,259,810,584/260,578,767.40
  6. Step 6: Final answer
    x = 145,066,582.50

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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.