Home / 103,592,797.60-155,389,196.40-99,169,808.80

Finding the Fourth Proportional to 103,592,797.60, 155,389,196.40 and 99,169,808.80

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Solution

The fourth proportional to 103,592,797.60, 155,389,196.40 and 99,169,808.80 is: 148,754,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,592,797.60 : 155,389,196.40 = 99,169,808.80 : x
  2. Step 2: Convert to fraction form
    103,592,797.60/155,389,196.40 = 99,169,808.80/x
  3. Step 3: Cross multiply
    103,592,797.60x = 155,389,196.40 × 99,169,808.80
  4. Step 4: Simplify right side
    103,592,797.60x = 15,409,916,896,573,648
  5. Step 5: Solve for x
    x = 15,409,916,896,573,648/103,592,797.60
  6. Step 6: Final answer
    x = 148,754,713.20

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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.