Home / 55,539,167.30-76,572,831.63-43,128,204.74

Finding the Fourth Proportional to 55,539,167.30, 76,572,831.63 and 43,128,204.74

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Solution

The fourth proportional to 55,539,167.30, 76,572,831.63 and 43,128,204.74 is: 59,461,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539,167.30 : 76,572,831.63 = 43,128,204.74 : x
  2. Step 2: Convert to fraction form
    55,539,167.30/76,572,831.63 = 43,128,204.74/x
  3. Step 3: Cross multiply
    55,539,167.30x = 76,572,831.63 × 43,128,204.74
  4. Step 4: Simplify right side
    55,539,167.30x = 3,302,448,759,677,323.50
  5. Step 5: Solve for x
    x = 3,302,448,759,677,323.50/55,539,167.30
  6. Step 6: Final answer
    x = 59,461,618.18

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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.