Home / 239,398,821.04-330,370,223.72-129,390,534.04

Finding the Fourth Proportional to 239,398,821.04, 330,370,223.72 and 129,390,534.04

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Solution

The fourth proportional to 239,398,821.04, 330,370,223.72 and 129,390,534.04 is: 178,558,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,398,821.04 : 330,370,223.72 = 129,390,534.04 : x
  2. Step 2: Convert to fraction form
    239,398,821.04/330,370,223.72 = 129,390,534.04/x
  3. Step 3: Cross multiply
    239,398,821.04x = 330,370,223.72 × 129,390,534.04
  4. Step 4: Simplify right side
    239,398,821.04x = 42,746,779,678,045,080
  5. Step 5: Solve for x
    x = 42,746,779,678,045,080/239,398,821.04
  6. Step 6: Final answer
    x = 178,558,856.27

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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.