Home / 89,249,121.57-133,272,677.37-72,886,864.95

Finding the Fourth Proportional to 89,249,121.57, 133,272,677.37 and 72,886,864.95

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Solution

The fourth proportional to 89,249,121.57, 133,272,677.37 and 72,886,864.95 is: 108,839,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,249,121.57 : 133,272,677.37 = 72,886,864.95 : x
  2. Step 2: Convert to fraction form
    89,249,121.57/133,272,677.37 = 72,886,864.95/x
  3. Step 3: Cross multiply
    89,249,121.57x = 133,272,677.37 × 72,886,864.95
  4. Step 4: Simplify right side
    89,249,121.57x = 9,713,827,637,765,210
  5. Step 5: Solve for x
    x = 9,713,827,637,765,210/89,249,121.57
  6. Step 6: Final answer
    x = 108,839,476.15

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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.