Home / 302,778,555.32-417,834,574.26-163,549,317.80

Finding the Fourth Proportional to 302,778,555.32, 417,834,574.26 and 163,549,317.80

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Solution

The fourth proportional to 302,778,555.32, 417,834,574.26 and 163,549,317.80 is: 225,698,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,555.32 : 417,834,574.26 = 163,549,317.80 : x
  2. Step 2: Convert to fraction form
    302,778,555.32/417,834,574.26 = 163,549,317.80/x
  3. Step 3: Cross multiply
    302,778,555.32x = 417,834,574.26 × 163,549,317.80
  4. Step 4: Simplify right side
    302,778,555.32x = 68,336,559,573,476,440
  5. Step 5: Solve for x
    x = 68,336,559,573,476,440/302,778,555.32
  6. Step 6: Final answer
    x = 225,698,149.27

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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.