Home / 157,464,237.30-236,196,355.95-145,985,111.70

Finding the Fourth Proportional to 157,464,237.30, 236,196,355.95 and 145,985,111.70

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Solution

The fourth proportional to 157,464,237.30, 236,196,355.95 and 145,985,111.70 is: 218,977,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,237.30 : 236,196,355.95 = 145,985,111.70 : x
  2. Step 2: Convert to fraction form
    157,464,237.30/236,196,355.95 = 145,985,111.70/x
  3. Step 3: Cross multiply
    157,464,237.30x = 236,196,355.95 × 145,985,111.70
  4. Step 4: Simplify right side
    157,464,237.30x = 34,481,151,406,493,704
  5. Step 5: Solve for x
    x = 34,481,151,406,493,704/157,464,237.30
  6. Step 6: Final answer
    x = 218,977,667.55

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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.