Home / 98,128,220.40-147,192,330.60-75,169,969.20

Finding the Fourth Proportional to 98,128,220.40, 147,192,330.60 and 75,169,969.20

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Solution

The fourth proportional to 98,128,220.40, 147,192,330.60 and 75,169,969.20 is: 112,754,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,128,220.40 : 147,192,330.60 = 75,169,969.20 : x
  2. Step 2: Convert to fraction form
    98,128,220.40/147,192,330.60 = 75,169,969.20/x
  3. Step 3: Cross multiply
    98,128,220.40x = 147,192,330.60 × 75,169,969.20
  4. Step 4: Simplify right side
    98,128,220.40x = 11,064,442,957,678,218
  5. Step 5: Solve for x
    x = 11,064,442,957,678,218/98,128,220.40
  6. Step 6: Final answer
    x = 112,754,953.80

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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.