Home / 265,710,030.40-398,527,720.80-83,975,579.20

Finding the Fourth Proportional to 265,710,030.40, 398,527,720.80 and 83,975,579.20

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Solution

The fourth proportional to 265,710,030.40, 398,527,720.80 and 83,975,579.20 is: 125,951,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,710,030.40 : 398,527,720.80 = 83,975,579.20 : x
  2. Step 2: Convert to fraction form
    265,710,030.40/398,527,720.80 = 83,975,579.20/x
  3. Step 3: Cross multiply
    265,710,030.40x = 398,527,720.80 × 83,975,579.20
  4. Step 4: Simplify right side
    265,710,030.40x = 33,466,596,181,435,888
  5. Step 5: Solve for x
    x = 33,466,596,181,435,888/265,710,030.40
  6. Step 6: Final answer
    x = 125,951,572.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.