Home / 130,409,424.40-195,614,136.60-69,943,248.40

Finding the Fourth Proportional to 130,409,424.40, 195,614,136.60 and 69,943,248.40

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Solution

The fourth proportional to 130,409,424.40, 195,614,136.60 and 69,943,248.40 is: 104,914,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,409,424.40 : 195,614,136.60 = 69,943,248.40 : x
  2. Step 2: Convert to fraction form
    130,409,424.40/195,614,136.60 = 69,943,248.40/x
  3. Step 3: Cross multiply
    130,409,424.40x = 195,614,136.60 × 69,943,248.40
  4. Step 4: Simplify right side
    130,409,424.40x = 13,681,888,146,765,332
  5. Step 5: Solve for x
    x = 13,681,888,146,765,332/130,409,424.40
  6. Step 6: Final answer
    x = 104,914,872.60

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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.