Home / 260,249,642.18-390,360,094.11-190,291,561

Finding the Fourth Proportional to 260,249,642.18, 390,360,094.11 and 190,291,561

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Solution

The fourth proportional to 260,249,642.18, 390,360,094.11 and 190,291,561 is: 285,426,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,249,642.18 : 390,360,094.11 = 190,291,561 : x
  2. Step 2: Convert to fraction form
    260,249,642.18/390,360,094.11 = 190,291,561/x
  3. Step 3: Cross multiply
    260,249,642.18x = 390,360,094.11 × 190,291,561
  4. Step 4: Simplify right side
    260,249,642.18x = 74,282,231,660,298,816
  5. Step 5: Solve for x
    x = 74,282,231,660,298,816/260,249,642.18
  6. Step 6: Final answer
    x = 285,426,834.93

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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.