Home / 387,901,547.44-581,838,148.92-115,265,228.56

Finding the Fourth Proportional to 387,901,547.44, 581,838,148.92 and 115,265,228.56

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Solution

The fourth proportional to 387,901,547.44, 581,838,148.92 and 115,265,228.56 is: 172,893,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,901,547.44 : 581,838,148.92 = 115,265,228.56 : x
  2. Step 2: Convert to fraction form
    387,901,547.44/581,838,148.92 = 115,265,228.56/x
  3. Step 3: Cross multiply
    387,901,547.44x = 581,838,148.92 × 115,265,228.56
  4. Step 4: Simplify right side
    387,901,547.44x = 67,065,707,220,191,112
  5. Step 5: Solve for x
    x = 67,065,707,220,191,112/387,901,547.44
  6. Step 6: Final answer
    x = 172,893,631.55

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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.