Home / 249,942,369.96-374,938,195.68-86,158,564.38

Finding the Fourth Proportional to 249,942,369.96, 374,938,195.68 and 86,158,564.38

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Solution

The fourth proportional to 249,942,369.96, 374,938,195.68 and 86,158,564.38 is: 129,246,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,942,369.96 : 374,938,195.68 = 86,158,564.38 : x
  2. Step 2: Convert to fraction form
    249,942,369.96/374,938,195.68 = 86,158,564.38/x
  3. Step 3: Cross multiply
    249,942,369.96x = 374,938,195.68 × 86,158,564.38
  4. Step 4: Simplify right side
    249,942,369.96x = 32,304,136,671,016,316
  5. Step 5: Solve for x
    x = 32,304,136,671,016,316/249,942,369.96
  6. Step 6: Final answer
    x = 129,246,340.57

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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.