Home / 157,465,302.40-236,197,953.60-99,786,239.20

Finding the Fourth Proportional to 157,465,302.40, 236,197,953.60 and 99,786,239.20

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Solution

The fourth proportional to 157,465,302.40, 236,197,953.60 and 99,786,239.20 is: 149,679,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,302.40 : 236,197,953.60 = 99,786,239.20 : x
  2. Step 2: Convert to fraction form
    157,465,302.40/236,197,953.60 = 99,786,239.20/x
  3. Step 3: Cross multiply
    157,465,302.40x = 236,197,953.60 × 99,786,239.20
  4. Step 4: Simplify right side
    157,465,302.40x = 23,569,305,496,480,100
  5. Step 5: Solve for x
    x = 23,569,305,496,480,100/157,465,302.40
  6. Step 6: Final answer
    x = 149,679,358.80

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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.