Home / 130,915,136.69-196,373,689.40-58,112,345.19

Finding the Fourth Proportional to 130,915,136.69, 196,373,689.40 and 58,112,345.19

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Solution

The fourth proportional to 130,915,136.69, 196,373,689.40 and 58,112,345.19 is: 87,168,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,915,136.69 : 196,373,689.40 = 58,112,345.19 : x
  2. Step 2: Convert to fraction form
    130,915,136.69/196,373,689.40 = 58,112,345.19/x
  3. Step 3: Cross multiply
    130,915,136.69x = 196,373,689.40 × 58,112,345.19
  4. Step 4: Simplify right side
    130,915,136.69x = 11,411,735,625,528,326
  5. Step 5: Solve for x
    x = 11,411,735,625,528,326/130,915,136.69
  6. Step 6: Final answer
    x = 87,168,954.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.