Home / 130,832,218.14-180,549,671.75-72,096,985.10

Finding the Fourth Proportional to 130,832,218.14, 180,549,671.75 and 72,096,985.10

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Solution

The fourth proportional to 130,832,218.14, 180,549,671.75 and 72,096,985.10 is: 99,494,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,218.14 : 180,549,671.75 = 72,096,985.10 : x
  2. Step 2: Convert to fraction form
    130,832,218.14/180,549,671.75 = 72,096,985.10/x
  3. Step 3: Cross multiply
    130,832,218.14x = 180,549,671.75 × 72,096,985.10
  4. Step 4: Simplify right side
    130,832,218.14x = 13,017,086,992,706,408
  5. Step 5: Solve for x
    x = 13,017,086,992,706,408/130,832,218.14
  6. Step 6: Final answer
    x = 99,494,506.61

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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.