Home / 89,249,121.79-133,272,677.70-72,886,865.17

Finding the Fourth Proportional to 89,249,121.79, 133,272,677.70 and 72,886,865.17

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Solution

The fourth proportional to 89,249,121.79, 133,272,677.70 and 72,886,865.17 is: 108,839,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,249,121.79 : 133,272,677.70 = 72,886,865.17 : x
  2. Step 2: Convert to fraction form
    89,249,121.79/133,272,677.70 = 72,886,865.17/x
  3. Step 3: Cross multiply
    89,249,121.79x = 133,272,677.70 × 72,886,865.17
  4. Step 4: Simplify right side
    89,249,121.79x = 9,713,827,689,333,968
  5. Step 5: Solve for x
    x = 9,713,827,689,333,968/89,249,121.79
  6. Step 6: Final answer
    x = 108,839,476.46

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