Home / 90,287,071.68-124,606,795.52-53,617,642.68

Finding the Fourth Proportional to 90,287,071.68, 124,606,795.52 and 53,617,642.68

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Solution

The fourth proportional to 90,287,071.68, 124,606,795.52 and 53,617,642.68 is: 73,998,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287,071.68 : 124,606,795.52 = 53,617,642.68 : x
  2. Step 2: Convert to fraction form
    90,287,071.68/124,606,795.52 = 53,617,642.68/x
  3. Step 3: Cross multiply
    90,287,071.68x = 124,606,795.52 × 53,617,642.68
  4. Step 4: Simplify right side
    90,287,071.68x = 6,681,122,637,691,185
  5. Step 5: Solve for x
    x = 6,681,122,637,691,185/90,287,071.68
  6. Step 6: Final answer
    x = 73,998,663.52

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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.