Home / 260,249,641.68-390,360,093.36-190,291,560.50

Finding the Fourth Proportional to 260,249,641.68, 390,360,093.36 and 190,291,560.50

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Solution

The fourth proportional to 260,249,641.68, 390,360,093.36 and 190,291,560.50 is: 285,426,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,249,641.68 : 390,360,093.36 = 190,291,560.50 : x
  2. Step 2: Convert to fraction form
    260,249,641.68/390,360,093.36 = 190,291,560.50/x
  3. Step 3: Cross multiply
    260,249,641.68x = 390,360,093.36 × 190,291,560.50
  4. Step 4: Simplify right side
    260,249,641.68x = 74,282,231,322,900,256
  5. Step 5: Solve for x
    x = 74,282,231,322,900,256/260,249,641.68
  6. Step 6: Final answer
    x = 285,426,834.18

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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.