Home / 66,286,537,780.60-99,429,806,670.90-45,365,831,374.60

Finding the Fourth Proportional to 66,286,537,780.60, 99,429,806,670.90 and 45,365,831,374.60

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Solution

The fourth proportional to 66,286,537,780.60, 99,429,806,670.90 and 45,365,831,374.60 is: 68,048,747,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,286,537,780.60 : 99,429,806,670.90 = 45,365,831,374.60 : x
  2. Step 2: Convert to fraction form
    66,286,537,780.60/99,429,806,670.90 = 45,365,831,374.60/x
  3. Step 3: Cross multiply
    66,286,537,780.60x = 99,429,806,670.90 × 45,365,831,374.60
  4. Step 4: Simplify right side
    66,286,537,780.60x = 4,510,715,843,041,127,038,976
  5. Step 5: Solve for x
    x = 4,510,715,843,041,127,038,976/66,286,537,780.60
  6. Step 6: Final answer
    x = 68,048,747,061.90

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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.