Home / 157,519,661.60-236,279,492.40-42,504,019.40

Finding the Fourth Proportional to 157,519,661.60, 236,279,492.40 and 42,504,019.40

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Solution

The fourth proportional to 157,519,661.60, 236,279,492.40 and 42,504,019.40 is: 63,756,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,519,661.60 : 236,279,492.40 = 42,504,019.40 : x
  2. Step 2: Convert to fraction form
    157,519,661.60/236,279,492.40 = 42,504,019.40/x
  3. Step 3: Cross multiply
    157,519,661.60x = 236,279,492.40 × 42,504,019.40
  4. Step 4: Simplify right side
    157,519,661.60x = 10,042,828,128,791,752
  5. Step 5: Solve for x
    x = 10,042,828,128,791,752/157,519,661.60
  6. Step 6: Final answer
    x = 63,756,029.10

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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.