Home / 126,225,582.36-189,454,763.10-64,020,554.28

Finding the Fourth Proportional to 126,225,582.36, 189,454,763.10 and 64,020,554.28

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Solution

The fourth proportional to 126,225,582.36, 189,454,763.10 and 64,020,554.28 is: 96,089,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,225,582.36 : 189,454,763.10 = 64,020,554.28 : x
  2. Step 2: Convert to fraction form
    126,225,582.36/189,454,763.10 = 64,020,554.28/x
  3. Step 3: Cross multiply
    126,225,582.36x = 189,454,763.10 × 64,020,554.28
  4. Step 4: Simplify right side
    126,225,582.36x = 12,128,998,944,648,090
  5. Step 5: Solve for x
    x = 12,128,998,944,648,090/126,225,582.36
  6. Step 6: Final answer
    x = 96,089,863.23

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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.