Home / 105,674,557.80-145,831,946.08-59,263,815.28

Finding the Fourth Proportional to 105,674,557.80, 145,831,946.08 and 59,263,815.28

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Solution

The fourth proportional to 105,674,557.80, 145,831,946.08 and 59,263,815.28 is: 81,784,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,674,557.80 : 145,831,946.08 = 59,263,815.28 : x
  2. Step 2: Convert to fraction form
    105,674,557.80/145,831,946.08 = 59,263,815.28/x
  3. Step 3: Cross multiply
    105,674,557.80x = 145,831,946.08 × 59,263,815.28
  4. Step 4: Simplify right side
    105,674,557.80x = 8,642,557,514,408,041
  5. Step 5: Solve for x
    x = 8,642,557,514,408,041/105,674,557.80
  6. Step 6: Final answer
    x = 81,784,657.48

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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.