Home / 92,710,889.60-139,065,643.20-28,014,569.60

Finding the Fourth Proportional to 92,710,889.60, 139,065,643.20 and 28,014,569.60

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Solution

The fourth proportional to 92,710,889.60, 139,065,643.20 and 28,014,569.60 is: 42,021,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,710,889.60 : 139,065,643.20 = 28,014,569.60 : x
  2. Step 2: Convert to fraction form
    92,710,889.60/139,065,643.20 = 28,014,569.60/x
  3. Step 3: Cross multiply
    92,710,889.60x = 139,065,643.20 × 28,014,569.60
  4. Step 4: Simplify right side
    92,710,889.60x = 3,895,864,140,395,166.50
  5. Step 5: Solve for x
    x = 3,895,864,140,395,166.50/92,710,889.60
  6. Step 6: Final answer
    x = 42,021,645.54

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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.