Home / 157,464,078.40-236,196,117.60-76,842,510.40

Finding the Fourth Proportional to 157,464,078.40, 236,196,117.60 and 76,842,510.40

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Solution

The fourth proportional to 157,464,078.40, 236,196,117.60 and 76,842,510.40 is: 115,263,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,078.40 : 236,196,117.60 = 76,842,510.40 : x
  2. Step 2: Convert to fraction form
    157,464,078.40/236,196,117.60 = 76,842,510.40/x
  3. Step 3: Cross multiply
    157,464,078.40x = 236,196,117.60 × 76,842,510.40
  4. Step 4: Simplify right side
    157,464,078.40x = 18,149,902,623,117,624
  5. Step 5: Solve for x
    x = 18,149,902,623,117,624/157,464,078.40
  6. Step 6: Final answer
    x = 115,263,765.60

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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.