Home / 130,437,701.66-179,928,852.62-81,460,099.10

Finding the Fourth Proportional to 130,437,701.66, 179,928,852.62 and 81,460,099.10

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Solution

The fourth proportional to 130,437,701.66, 179,928,852.62 and 81,460,099.10 is: 112,367,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,437,701.66 : 179,928,852.62 = 81,460,099.10 : x
  2. Step 2: Convert to fraction form
    130,437,701.66/179,928,852.62 = 81,460,099.10/x
  3. Step 3: Cross multiply
    130,437,701.66x = 179,928,852.62 × 81,460,099.10
  4. Step 4: Simplify right side
    130,437,701.66x = 14,657,022,165,417,018
  5. Step 5: Solve for x
    x = 14,657,022,165,417,018/130,437,701.66
  6. Step 6: Final answer
    x = 112,367,988.54

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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.