Home / 229,164,153.66-316,254,170.88-128,710,293.35

Finding the Fourth Proportional to 229,164,153.66, 316,254,170.88 and 128,710,293.35

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Solution

The fourth proportional to 229,164,153.66, 316,254,170.88 and 128,710,293.35 is: 177,624,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,164,153.66 : 316,254,170.88 = 128,710,293.35 : x
  2. Step 2: Convert to fraction form
    229,164,153.66/316,254,170.88 = 128,710,293.35/x
  3. Step 3: Cross multiply
    229,164,153.66x = 316,254,170.88 × 128,710,293.35
  4. Step 4: Simplify right side
    229,164,153.66x = 40,705,167,105,544,552
  5. Step 5: Solve for x
    x = 40,705,167,105,544,552/229,164,153.66
  6. Step 6: Final answer
    x = 177,624,495.17

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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.