Home / 295,258,890.40-442,888,335.60-76,908,810.40

Finding the Fourth Proportional to 295,258,890.40, 442,888,335.60 and 76,908,810.40

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Solution

The fourth proportional to 295,258,890.40, 442,888,335.60 and 76,908,810.40 is: 115,363,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,258,890.40 : 442,888,335.60 = 76,908,810.40 : x
  2. Step 2: Convert to fraction form
    295,258,890.40/442,888,335.60 = 76,908,810.40/x
  3. Step 3: Cross multiply
    295,258,890.40x = 442,888,335.60 × 76,908,810.40
  4. Step 4: Simplify right side
    295,258,890.40x = 34,062,015,031,031,976
  5. Step 5: Solve for x
    x = 34,062,015,031,031,976/295,258,890.40
  6. Step 6: Final answer
    x = 115,363,215.60

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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.