Home / 154,788,934.58-213,602,282.79-84,224,821.89

Finding the Fourth Proportional to 154,788,934.58, 213,602,282.79 and 84,224,821.89

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Solution

The fourth proportional to 154,788,934.58, 213,602,282.79 and 84,224,821.89 is: 116,226,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,788,934.58 : 213,602,282.79 = 84,224,821.89 : x
  2. Step 2: Convert to fraction form
    154,788,934.58/213,602,282.79 = 84,224,821.89/x
  3. Step 3: Cross multiply
    154,788,934.58x = 213,602,282.79 × 84,224,821.89
  4. Step 4: Simplify right side
    154,788,934.58x = 17,990,614,223,495,724
  5. Step 5: Solve for x
    x = 17,990,614,223,495,724/154,788,934.58
  6. Step 6: Final answer
    x = 116,226,746.27

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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.