Home / 151,312,050,984.05-208,811,574,689.80-82,723,611,887.10

Finding the Fourth Proportional to 151,312,050,984.05, 208,811,574,689.80 and 82,723,611,887.10

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Solution

The fourth proportional to 151,312,050,984.05, 208,811,574,689.80 and 82,723,611,887.10 is: 114,159,100,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,312,050,984.05 : 208,811,574,689.80 = 82,723,611,887.10 : x
  2. Step 2: Convert to fraction form
    151,312,050,984.05/208,811,574,689.80 = 82,723,611,887.10/x
  3. Step 3: Cross multiply
    151,312,050,984.05x = 208,811,574,689.80 × 82,723,611,887.10
  4. Step 4: Simplify right side
    151,312,050,984.05x = 17,273,647,662,173,209,493,504
  5. Step 5: Solve for x
    x = 17,273,647,662,173,209,493,504/151,312,050,984.05
  6. Step 6: Final answer
    x = 114,159,100,678.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.