Home / 39,459,142.40-58,772,628.05-37,688,696.98

Finding the Fourth Proportional to 39,459,142.40, 58,772,628.05 and 37,688,696.98

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Solution

The fourth proportional to 39,459,142.40, 58,772,628.05 and 37,688,696.98 is: 56,135,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459,142.40 : 58,772,628.05 = 37,688,696.98 : x
  2. Step 2: Convert to fraction form
    39,459,142.40/58,772,628.05 = 37,688,696.98/x
  3. Step 3: Cross multiply
    39,459,142.40x = 58,772,628.05 × 37,688,696.98
  4. Step 4: Simplify right side
    39,459,142.40x = 2,215,063,768,959,323.25
  5. Step 5: Solve for x
    x = 2,215,063,768,959,323.25/39,459,142.40
  6. Step 6: Final answer
    x = 56,135,628.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.