Home / 260,249,641.85-390,360,093.59-190,291,560.66

Finding the Fourth Proportional to 260,249,641.85, 390,360,093.59 and 190,291,560.66

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Solution

The fourth proportional to 260,249,641.85, 390,360,093.59 and 190,291,560.66 is: 285,426,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,249,641.85 : 390,360,093.59 = 190,291,560.66 : x
  2. Step 2: Convert to fraction form
    260,249,641.85/390,360,093.59 = 190,291,560.66/x
  3. Step 3: Cross multiply
    260,249,641.85x = 390,360,093.59 × 190,291,560.66
  4. Step 4: Simplify right side
    260,249,641.85x = 74,282,231,429,100,480
  5. Step 5: Solve for x
    x = 74,282,231,429,100,480/260,249,641.85
  6. Step 6: Final answer
    x = 285,426,834.41

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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.