Home / 130,832,240.11-180,549,702.17-72,097,007.18

Finding the Fourth Proportional to 130,832,240.11, 180,549,702.17 and 72,097,007.18

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Solution

The fourth proportional to 130,832,240.11, 180,549,702.17 and 72,097,007.18 is: 99,494,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,240.11 : 180,549,702.17 = 72,097,007.18 : x
  2. Step 2: Convert to fraction form
    130,832,240.11/180,549,702.17 = 72,097,007.18/x
  3. Step 3: Cross multiply
    130,832,240.11x = 180,549,702.17 × 72,097,007.18
  4. Step 4: Simplify right side
    130,832,240.11x = 13,017,093,172,704,480
  5. Step 5: Solve for x
    x = 13,017,093,172,704,480/130,832,240.11
  6. Step 6: Final answer
    x = 99,494,537.14

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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.