Home / 130,280,013.60-195,420,020.40-75,636,506.40

Finding the Fourth Proportional to 130,280,013.60, 195,420,020.40 and 75,636,506.40

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Solution

The fourth proportional to 130,280,013.60, 195,420,020.40 and 75,636,506.40 is: 113,454,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,280,013.60 : 195,420,020.40 = 75,636,506.40 : x
  2. Step 2: Convert to fraction form
    130,280,013.60/195,420,020.40 = 75,636,506.40/x
  3. Step 3: Cross multiply
    130,280,013.60x = 195,420,020.40 × 75,636,506.40
  4. Step 4: Simplify right side
    130,280,013.60x = 14,780,887,623,672,732
  5. Step 5: Solve for x
    x = 14,780,887,623,672,732/130,280,013.60
  6. Step 6: Final answer
    x = 113,454,759.60

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1.5x scale

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.