Home / 315,054,868.29-434,799,756.36-173,953,291.52

Finding the Fourth Proportional to 315,054,868.29, 434,799,756.36 and 173,953,291.52

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Solution

The fourth proportional to 315,054,868.29, 434,799,756.36 and 173,953,291.52 is: 240,068,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,054,868.29 : 434,799,756.36 = 173,953,291.52 : x
  2. Step 2: Convert to fraction form
    315,054,868.29/434,799,756.36 = 173,953,291.52/x
  3. Step 3: Cross multiply
    315,054,868.29x = 434,799,756.36 × 173,953,291.52
  4. Step 4: Simplify right side
    315,054,868.29x = 75,634,848,768,742,048
  5. Step 5: Solve for x
    x = 75,634,848,768,742,048/315,054,868.29
  6. Step 6: Final answer
    x = 240,068,814.61

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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.