Home / 66,974,688,082.45-100,462,032,123.67-54,577,232,434.45

Finding the Fourth Proportional to 66,974,688,082.45, 100,462,032,123.67 and 54,577,232,434.45

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Solution

The fourth proportional to 66,974,688,082.45, 100,462,032,123.67 and 54,577,232,434.45 is: 81,865,848,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,974,688,082.45 : 100,462,032,123.67 = 54,577,232,434.45 : x
  2. Step 2: Convert to fraction form
    66,974,688,082.45/100,462,032,123.67 = 54,577,232,434.45/x
  3. Step 3: Cross multiply
    66,974,688,082.45x = 100,462,032,123.67 × 54,577,232,434.45
  4. Step 4: Simplify right side
    66,974,688,082.45x = 5,482,939,678,050,720,153,600
  5. Step 5: Solve for x
    x = 5,482,939,678,050,720,153,600/66,974,688,082.45
  6. Step 6: Final answer
    x = 81,865,848,651.67

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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.