Home / 157,465,303.40-236,197,955.10-99,786,240.20

Finding the Fourth Proportional to 157,465,303.40, 236,197,955.10 and 99,786,240.20

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Solution

The fourth proportional to 157,465,303.40, 236,197,955.10 and 99,786,240.20 is: 149,679,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,303.40 : 236,197,955.10 = 99,786,240.20 : x
  2. Step 2: Convert to fraction form
    157,465,303.40/236,197,955.10 = 99,786,240.20/x
  3. Step 3: Cross multiply
    157,465,303.40x = 236,197,955.10 × 99,786,240.20
  4. Step 4: Simplify right side
    157,465,303.40x = 23,569,305,882,357,416
  5. Step 5: Solve for x
    x = 23,569,305,882,357,416/157,465,303.40
  6. Step 6: Final answer
    x = 149,679,360.30

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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.