Home / 157,464,421.40-236,196,632.10-76,842,853.40

Finding the Fourth Proportional to 157,464,421.40, 236,196,632.10 and 76,842,853.40

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Solution

The fourth proportional to 157,464,421.40, 236,196,632.10 and 76,842,853.40 is: 115,264,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,421.40 : 236,196,632.10 = 76,842,853.40 : x
  2. Step 2: Convert to fraction form
    157,464,421.40/236,196,632.10 = 76,842,853.40/x
  3. Step 3: Cross multiply
    157,464,421.40x = 236,196,632.10 × 76,842,853.40
  4. Step 4: Simplify right side
    157,464,421.40x = 18,150,023,174,034,036
  5. Step 5: Solve for x
    x = 18,150,023,174,034,036/157,464,421.40
  6. Step 6: Final answer
    x = 115,264,280.10

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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.