Home / 157,464,346.95-236,196,520.43-145,985,221.35

Finding the Fourth Proportional to 157,464,346.95, 236,196,520.43 and 145,985,221.35

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Solution

The fourth proportional to 157,464,346.95, 236,196,520.43 and 145,985,221.35 is: 218,977,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,346.95 : 236,196,520.43 = 145,985,221.35 : x
  2. Step 2: Convert to fraction form
    157,464,346.95/236,196,520.43 = 145,985,221.35/x
  3. Step 3: Cross multiply
    157,464,346.95x = 236,196,520.43 × 145,985,221.35
  4. Step 4: Simplify right side
    157,464,346.95x = 34,481,201,316,343,420
  5. Step 5: Solve for x
    x = 34,481,201,316,343,420/157,464,346.95
  6. Step 6: Final answer
    x = 218,977,832.03

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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.