Home / 129,635,527,651.56-178,899,146,137.86-70,973,370,973.50

Finding the Fourth Proportional to 129,635,527,651.56, 178,899,146,137.86 and 70,973,370,973.50

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Solution

The fourth proportional to 129,635,527,651.56, 178,899,146,137.86 and 70,973,370,973.50 is: 97,944,411,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,635,527,651.56 : 178,899,146,137.86 = 70,973,370,973.50 : x
  2. Step 2: Convert to fraction form
    129,635,527,651.56/178,899,146,137.86 = 70,973,370,973.50/x
  3. Step 3: Cross multiply
    129,635,527,651.56x = 178,899,146,137.86 × 70,973,370,973.50
  4. Step 4: Simplify right side
    129,635,527,651.56x = 12,697,075,465,684,726,579,200
  5. Step 5: Solve for x
    x = 12,697,075,465,684,726,579,200/129,635,527,651.56
  6. Step 6: Final answer
    x = 97,944,411,502.78

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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.