Home / 151,600,214.63-209,208,926.63-81,985,595.51

Finding the Fourth Proportional to 151,600,214.63, 209,208,926.63 and 81,985,595.51

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Solution

The fourth proportional to 151,600,214.63, 209,208,926.63 and 81,985,595.51 is: 113,140,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,600,214.63 : 209,208,926.63 = 81,985,595.51 : x
  2. Step 2: Convert to fraction form
    151,600,214.63/209,208,926.63 = 81,985,595.51/x
  3. Step 3: Cross multiply
    151,600,214.63x = 209,208,926.63 × 81,985,595.51
  4. Step 4: Simplify right side
    151,600,214.63x = 17,152,118,436,496,434
  5. Step 5: Solve for x
    x = 17,152,118,436,496,434/151,600,214.63
  6. Step 6: Final answer
    x = 113,140,462.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.