Home / 81,738,272,842.20-122,607,409,263.30-59,698,351,690.20

Finding the Fourth Proportional to 81,738,272,842.20, 122,607,409,263.30 and 59,698,351,690.20

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Solution

The fourth proportional to 81,738,272,842.20, 122,607,409,263.30 and 59,698,351,690.20 is: 89,547,527,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,738,272,842.20 : 122,607,409,263.30 = 59,698,351,690.20 : x
  2. Step 2: Convert to fraction form
    81,738,272,842.20/122,607,409,263.30 = 59,698,351,690.20/x
  3. Step 3: Cross multiply
    81,738,272,842.20x = 122,607,409,263.30 × 59,698,351,690.20
  4. Step 4: Simplify right side
    81,738,272,842.20x = 7,319,460,238,024,768,487,424
  5. Step 5: Solve for x
    x = 7,319,460,238,024,768,487,424/81,738,272,842.20
  6. Step 6: Final answer
    x = 89,547,527,535.30

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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.