Home / 105,361,402.08-145,402,627.80-57,679,998.87

Finding the Fourth Proportional to 105,361,402.08, 145,402,627.80 and 57,679,998.87

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Solution

The fourth proportional to 105,361,402.08, 145,402,627.80 and 57,679,998.87 is: 79,600,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,361,402.08 : 145,402,627.80 = 57,679,998.87 : x
  2. Step 2: Convert to fraction form
    105,361,402.08/145,402,627.80 = 57,679,998.87/x
  3. Step 3: Cross multiply
    105,361,402.08x = 145,402,627.80 × 57,679,998.87
  4. Step 4: Simplify right side
    105,361,402.08x = 8,386,823,407,199,031
  5. Step 5: Solve for x
    x = 8,386,823,407,199,031/105,361,402.08
  6. Step 6: Final answer
    x = 79,600,529.62

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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.