Home / 130,528,038.20-195,792,057.30-70,061,862.20

Finding the Fourth Proportional to 130,528,038.20, 195,792,057.30 and 70,061,862.20

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Solution

The fourth proportional to 130,528,038.20, 195,792,057.30 and 70,061,862.20 is: 105,092,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,528,038.20 : 195,792,057.30 = 70,061,862.20 : x
  2. Step 2: Convert to fraction form
    130,528,038.20/195,792,057.30 = 70,061,862.20/x
  3. Step 3: Cross multiply
    130,528,038.20x = 195,792,057.30 × 70,061,862.20
  4. Step 4: Simplify right side
    130,528,038.20x = 13,717,556,138,407,106
  5. Step 5: Solve for x
    x = 13,717,556,138,407,106/130,528,038.20
  6. Step 6: Final answer
    x = 105,092,793.30

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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.