Home / 90,287,041.80-124,606,754.28-53,617,612.80

Finding the Fourth Proportional to 90,287,041.80, 124,606,754.28 and 53,617,612.80

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Solution

The fourth proportional to 90,287,041.80, 124,606,754.28 and 53,617,612.80 is: 73,998,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287,041.80 : 124,606,754.28 = 53,617,612.80 : x
  2. Step 2: Convert to fraction form
    90,287,041.80/124,606,754.28 = 53,617,612.80/x
  3. Step 3: Cross multiply
    90,287,041.80x = 124,606,754.28 × 53,617,612.80
  4. Step 4: Simplify right side
    90,287,041.80x = 6,681,116,703,249,782
  5. Step 5: Solve for x
    x = 6,681,116,703,249,782/90,287,041.80
  6. Step 6: Final answer
    x = 73,998,622.28

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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.