Home / 160,686,099.10-221,749,246.44-90,137,347.93

Finding the Fourth Proportional to 160,686,099.10, 221,749,246.44 and 90,137,347.93

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Solution

The fourth proportional to 160,686,099.10, 221,749,246.44 and 90,137,347.93 is: 124,390,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686,099.10 : 221,749,246.44 = 90,137,347.93 : x
  2. Step 2: Convert to fraction form
    160,686,099.10/221,749,246.44 = 90,137,347.93/x
  3. Step 3: Cross multiply
    160,686,099.10x = 221,749,246.44 × 90,137,347.93
  4. Step 4: Simplify right side
    160,686,099.10x = 19,987,888,979,577,596
  5. Step 5: Solve for x
    x = 19,987,888,979,577,596/160,686,099.10
  6. Step 6: Final answer
    x = 124,390,903.08

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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.