Home / 115,893,511,053.60-173,840,266,580.40-71,813,668,749.60

Finding the Fourth Proportional to 115,893,511,053.60, 173,840,266,580.40 and 71,813,668,749.60

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Solution

The fourth proportional to 115,893,511,053.60, 173,840,266,580.40 and 71,813,668,749.60 is: 107,720,503,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893,511,053.60 : 173,840,266,580.40 = 71,813,668,749.60 : x
  2. Step 2: Convert to fraction form
    115,893,511,053.60/173,840,266,580.40 = 71,813,668,749.60/x
  3. Step 3: Cross multiply
    115,893,511,053.60x = 173,840,266,580.40 × 71,813,668,749.60
  4. Step 4: Simplify right side
    115,893,511,053.60x = 12,484,107,319,547,004,977,152
  5. Step 5: Solve for x
    x = 12,484,107,319,547,004,977,152/115,893,511,053.60
  6. Step 6: Final answer
    x = 107,720,503,124.40

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1.5x scale

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.