Home / 141,312,005.80-211,975,007.10-73,287,557.80

Finding the Fourth Proportional to 141,312,005.80, 211,975,007.10 and 73,287,557.80

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Solution

The fourth proportional to 141,312,005.80, 211,975,007.10 and 73,287,557.80 is: 109,934,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,312,005.80 : 211,975,007.10 = 73,287,557.80 : x
  2. Step 2: Convert to fraction form
    141,312,005.80/211,975,007.10 = 73,287,557.80/x
  3. Step 3: Cross multiply
    141,312,005.80x = 211,975,007.10 × 73,287,557.80
  4. Step 4: Simplify right side
    141,312,005.80x = 15,535,130,584,996,660
  5. Step 5: Solve for x
    x = 15,535,130,584,996,660/141,312,005.80
  6. Step 6: Final answer
    x = 109,934,966.23

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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.