Home / 115,920,020.40-173,880,030.60-62,172,308.40

Finding the Fourth Proportional to 115,920,020.40, 173,880,030.60 and 62,172,308.40

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Solution

The fourth proportional to 115,920,020.40, 173,880,030.60 and 62,172,308.40 is: 93,258,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,920,020.40 : 173,880,030.60 = 62,172,308.40 : x
  2. Step 2: Convert to fraction form
    115,920,020.40/173,880,030.60 = 62,172,308.40/x
  3. Step 3: Cross multiply
    115,920,020.40x = 173,880,030.60 × 62,172,308.40
  4. Step 4: Simplify right side
    115,920,020.40x = 10,810,522,887,064,636
  5. Step 5: Solve for x
    x = 10,810,522,887,064,636/115,920,020.40
  6. Step 6: Final answer
    x = 93,258,462.60

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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.