Home / 89,249,122.54-133,272,678.82-72,886,865.93

Finding the Fourth Proportional to 89,249,122.54, 133,272,678.82 and 72,886,865.93

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Solution

The fourth proportional to 89,249,122.54, 133,272,678.82 and 72,886,865.93 is: 108,839,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,249,122.54 : 133,272,678.82 = 72,886,865.93 : x
  2. Step 2: Convert to fraction form
    89,249,122.54/133,272,678.82 = 72,886,865.93/x
  3. Step 3: Cross multiply
    89,249,122.54x = 133,272,678.82 × 72,886,865.93
  4. Step 4: Simplify right side
    89,249,122.54x = 9,713,827,872,618,926
  5. Step 5: Solve for x
    x = 9,713,827,872,618,926/89,249,122.54
  6. Step 6: Final answer
    x = 108,839,477.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.