Home / 102,960,781.74-142,094,641.40-58,314,695.48

Finding the Fourth Proportional to 102,960,781.74, 142,094,641.40 and 58,314,695.48

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Solution

The fourth proportional to 102,960,781.74, 142,094,641.40 and 58,314,695.48 is: 80,479,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,960,781.74 : 142,094,641.40 = 58,314,695.48 : x
  2. Step 2: Convert to fraction form
    102,960,781.74/142,094,641.40 = 58,314,695.48/x
  3. Step 3: Cross multiply
    102,960,781.74x = 142,094,641.40 × 58,314,695.48
  4. Step 4: Simplify right side
    102,960,781.74x = 8,286,205,742,580,801
  5. Step 5: Solve for x
    x = 8,286,205,742,580,801/102,960,781.74
  6. Step 6: Final answer
    x = 80,479,242.70

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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.