Home / 145,610,605,202.42-218,415,907,803.75-40,920,979,730.42

Finding the Fourth Proportional to 145,610,605,202.42, 218,415,907,803.75 and 40,920,979,730.42

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Solution

The fourth proportional to 145,610,605,202.42, 218,415,907,803.75 and 40,920,979,730.42 is: 61,381,469,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,610,605,202.42 : 218,415,907,803.75 = 40,920,979,730.42 : x
  2. Step 2: Convert to fraction form
    145,610,605,202.42/218,415,907,803.75 = 40,920,979,730.42/x
  3. Step 3: Cross multiply
    145,610,605,202.42x = 218,415,907,803.75 × 40,920,979,730.42
  4. Step 4: Simplify right side
    145,610,605,202.42x = 8,937,792,936,038,537,101,312
  5. Step 5: Solve for x
    x = 8,937,792,936,038,537,101,312/145,610,605,202.42
  6. Step 6: Final answer
    x = 61,381,469,595.66

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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.