Home / 302,779,571.84-417,835,970.64-163,550,330.72

Finding the Fourth Proportional to 302,779,571.84, 417,835,970.64 and 163,550,330.72

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Solution

The fourth proportional to 302,779,571.84, 417,835,970.64 and 163,550,330.72 is: 225,699,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,779,571.84 : 417,835,970.64 = 163,550,330.72 : x
  2. Step 2: Convert to fraction form
    302,779,571.84/417,835,970.64 = 163,550,330.72/x
  3. Step 3: Cross multiply
    302,779,571.84x = 417,835,970.64 × 163,550,330.72
  4. Step 4: Simplify right side
    302,779,571.84x = 68,337,211,184,884,208
  5. Step 5: Solve for x
    x = 68,337,211,184,884,208/302,779,571.84
  6. Step 6: Final answer
    x = 225,699,543.63

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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.