Home / 260,592,774.16-390,888,831.13-66,504,193.69

Finding the Fourth Proportional to 260,592,774.16, 390,888,831.13 and 66,504,193.69

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Solution

The fourth proportional to 260,592,774.16, 390,888,831.13 and 66,504,193.69 is: 99,756,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,592,774.16 : 390,888,831.13 = 66,504,193.69 : x
  2. Step 2: Convert to fraction form
    260,592,774.16/390,888,831.13 = 66,504,193.69/x
  3. Step 3: Cross multiply
    260,592,774.16x = 390,888,831.13 × 66,504,193.69
  4. Step 4: Simplify right side
    260,592,774.16x = 25,995,746,536,727,220
  5. Step 5: Solve for x
    x = 25,995,746,536,727,220/260,592,774.16
  6. Step 6: Final answer
    x = 99,756,206.29

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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.