Home / 93,438,538.83-128,941,281.05-53,743,051.49

Finding the Fourth Proportional to 93,438,538.83, 128,941,281.05 and 53,743,051.49

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Solution

The fourth proportional to 93,438,538.83, 128,941,281.05 and 53,743,051.49 is: 74,163,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,438,538.83 : 128,941,281.05 = 53,743,051.49 : x
  2. Step 2: Convert to fraction form
    93,438,538.83/128,941,281.05 = 53,743,051.49/x
  3. Step 3: Cross multiply
    93,438,538.83x = 128,941,281.05 × 53,743,051.49
  4. Step 4: Simplify right side
    93,438,538.83x = 6,929,697,905,743,290
  5. Step 5: Solve for x
    x = 6,929,697,905,743,290/93,438,538.83
  6. Step 6: Final answer
    x = 74,163,166.42

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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.