Home / 302,778,535.86-417,834,547.43-163,549,298.39

Finding the Fourth Proportional to 302,778,535.86, 417,834,547.43 and 163,549,298.39

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Solution

The fourth proportional to 302,778,535.86, 417,834,547.43 and 163,549,298.39 is: 225,698,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,535.86 : 417,834,547.43 = 163,549,298.39 : x
  2. Step 2: Convert to fraction form
    302,778,535.86/417,834,547.43 = 163,549,298.39/x
  3. Step 3: Cross multiply
    302,778,535.86x = 417,834,547.43 × 163,549,298.39
  4. Step 4: Simplify right side
    302,778,535.86x = 68,336,547,072,372,760
  5. Step 5: Solve for x
    x = 68,336,547,072,372,760/302,778,535.86
  6. Step 6: Final answer
    x = 225,698,122.49

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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.