Home / 302,778,673.95-417,834,738.17-163,549,437.08

Finding the Fourth Proportional to 302,778,673.95, 417,834,738.17 and 163,549,437.08

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Solution

The fourth proportional to 302,778,673.95, 417,834,738.17 and 163,549,437.08 is: 225,698,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778,673.95 : 417,834,738.17 = 163,549,437.08 : x
  2. Step 2: Convert to fraction form
    302,778,673.95/417,834,738.17 = 163,549,437.08/x
  3. Step 3: Cross multiply
    302,778,673.95x = 417,834,738.17 × 163,549,437.08
  4. Step 4: Simplify right side
    302,778,673.95x = 68,336,636,219,285,432
  5. Step 5: Solve for x
    x = 68,336,636,219,285,432/302,778,673.95
  6. Step 6: Final answer
    x = 225,698,313.98

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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.