Home / 130,483,988.16-195,596,698.12-61,272,897.04

Finding the Fourth Proportional to 130,483,988.16, 195,596,698.12 and 61,272,897.04

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Solution

The fourth proportional to 130,483,988.16, 195,596,698.12 and 61,272,897.04 is: 91,848,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,483,988.16 : 195,596,698.12 = 61,272,897.04 : x
  2. Step 2: Convert to fraction form
    130,483,988.16/195,596,698.12 = 61,272,897.04/x
  3. Step 3: Cross multiply
    130,483,988.16x = 195,596,698.12 × 61,272,897.04
  4. Step 4: Simplify right side
    130,483,988.16x = 11,984,776,345,270,722
  5. Step 5: Solve for x
    x = 11,984,776,345,270,722/130,483,988.16
  6. Step 6: Final answer
    x = 91,848,636.10

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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.