Home / 101,994,147.74-140,774,641.61-64,817,178.91

Finding the Fourth Proportional to 101,994,147.74, 140,774,641.61 and 64,817,178.91

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Solution

The fourth proportional to 101,994,147.74, 140,774,641.61 and 64,817,178.91 is: 89,462,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,994,147.74 : 140,774,641.61 = 64,817,178.91 : x
  2. Step 2: Convert to fraction form
    101,994,147.74/140,774,641.61 = 64,817,178.91/x
  3. Step 3: Cross multiply
    101,994,147.74x = 140,774,641.61 × 64,817,178.91
  4. Step 4: Simplify right side
    101,994,147.74x = 9,124,615,130,550,478
  5. Step 5: Solve for x
    x = 9,124,615,130,550,478/101,994,147.74
  6. Step 6: Final answer
    x = 89,462,143.98

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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.