Home / 48,356,554.40-72,534,831.60-45,519,869.60

Finding the Fourth Proportional to 48,356,554.40, 72,534,831.60 and 45,519,869.60

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Solution

The fourth proportional to 48,356,554.40, 72,534,831.60 and 45,519,869.60 is: 68,279,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,356,554.40 : 72,534,831.60 = 45,519,869.60 : x
  2. Step 2: Convert to fraction form
    48,356,554.40/72,534,831.60 = 45,519,869.60/x
  3. Step 3: Cross multiply
    48,356,554.40x = 72,534,831.60 × 45,519,869.60
  4. Step 4: Simplify right side
    48,356,554.40x = 3,301,776,075,889,959
  5. Step 5: Solve for x
    x = 3,301,776,075,889,959/48,356,554.40
  6. Step 6: Final answer
    x = 68,279,804.40

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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.