Home / 137,108,666.42-189,210,319.01-74,384,761.16

Finding the Fourth Proportional to 137,108,666.42, 189,210,319.01 and 74,384,761.16

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Solution

The fourth proportional to 137,108,666.42, 189,210,319.01 and 74,384,761.16 is: 102,651,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,108,666.42 : 189,210,319.01 = 74,384,761.16 : x
  2. Step 2: Convert to fraction form
    137,108,666.42/189,210,319.01 = 74,384,761.16/x
  3. Step 3: Cross multiply
    137,108,666.42x = 189,210,319.01 × 74,384,761.16
  4. Step 4: Simplify right side
    137,108,666.42x = 14,074,364,387,248,282
  5. Step 5: Solve for x
    x = 14,074,364,387,248,282/137,108,666.42
  6. Step 6: Final answer
    x = 102,651,165.35

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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.