Home / 99,973,353.86-137,929,814.64-58,148,540.74

Finding the Fourth Proportional to 99,973,353.86, 137,929,814.64 and 58,148,540.74

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Solution

The fourth proportional to 99,973,353.86, 137,929,814.64 and 58,148,540.74 is: 80,225,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,973,353.86 : 137,929,814.64 = 58,148,540.74 : x
  2. Step 2: Convert to fraction form
    99,973,353.86/137,929,814.64 = 58,148,540.74/x
  3. Step 3: Cross multiply
    99,973,353.86x = 137,929,814.64 × 58,148,540.74
  4. Step 4: Simplify right side
    99,973,353.86x = 8,020,417,445,705,536
  5. Step 5: Solve for x
    x = 8,020,417,445,705,536/99,973,353.86
  6. Step 6: Final answer
    x = 80,225,551.47

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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.