Home / 133,909,136.80-200,813,938.80-53,113,386.40

Finding the Fourth Proportional to 133,909,136.80, 200,813,938.80 and 53,113,386.40

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Solution

The fourth proportional to 133,909,136.80, 200,813,938.80 and 53,113,386.40 is: 79,650,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,909,136.80 : 200,813,938.80 = 53,113,386.40 : x
  2. Step 2: Convert to fraction form
    133,909,136.80/200,813,938.80 = 53,113,386.40/x
  3. Step 3: Cross multiply
    133,909,136.80x = 200,813,938.80 × 53,113,386.40
  4. Step 4: Simplify right side
    133,909,136.80x = 10,665,908,325,990,352
  5. Step 5: Solve for x
    x = 10,665,908,325,990,352/133,909,136.80
  6. Step 6: Final answer
    x = 79,650,340.38

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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.