Home / 130,528,032.70-195,792,049.05-70,061,856.70

Finding the Fourth Proportional to 130,528,032.70, 195,792,049.05 and 70,061,856.70

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Solution

The fourth proportional to 130,528,032.70, 195,792,049.05 and 70,061,856.70 is: 105,092,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,528,032.70 : 195,792,049.05 = 70,061,856.70 : x
  2. Step 2: Convert to fraction form
    130,528,032.70/195,792,049.05 = 70,061,856.70/x
  3. Step 3: Cross multiply
    130,528,032.70x = 195,792,049.05 × 70,061,856.70
  4. Step 4: Simplify right side
    130,528,032.70x = 13,717,554,483,540,472
  5. Step 5: Solve for x
    x = 13,717,554,483,540,472/130,528,032.70
  6. Step 6: Final answer
    x = 105,092,785.05

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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.