Home / 99,866,502,215.60-149,799,753,323.40-90,724,016,404.40

Finding the Fourth Proportional to 99,866,502,215.60, 149,799,753,323.40 and 90,724,016,404.40

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Solution

The fourth proportional to 99,866,502,215.60, 149,799,753,323.40 and 90,724,016,404.40 is: 136,086,024,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,866,502,215.60 : 149,799,753,323.40 = 90,724,016,404.40 : x
  2. Step 2: Convert to fraction form
    99,866,502,215.60/149,799,753,323.40 = 90,724,016,404.40/x
  3. Step 3: Cross multiply
    99,866,502,215.60x = 149,799,753,323.40 × 90,724,016,404.40
  4. Step 4: Simplify right side
    99,866,502,215.60x = 13,590,435,277,887,212,879,872
  5. Step 5: Solve for x
    x = 13,590,435,277,887,212,879,872/99,866,502,215.60
  6. Step 6: Final answer
    x = 136,086,024,606.60

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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.