Home / 93,356,355.44-128,712,004.67-76,549,172.96

Finding the Fourth Proportional to 93,356,355.44, 128,712,004.67 and 76,549,172.96

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Solution

The fourth proportional to 93,356,355.44, 128,712,004.67 and 76,549,172.96 is: 105,539,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,356,355.44 : 128,712,004.67 = 76,549,172.96 : x
  2. Step 2: Convert to fraction form
    93,356,355.44/128,712,004.67 = 76,549,172.96/x
  3. Step 3: Cross multiply
    93,356,355.44x = 128,712,004.67 × 76,549,172.96
  4. Step 4: Simplify right side
    93,356,355.44x = 9,852,797,506,905,232
  5. Step 5: Solve for x
    x = 9,852,797,506,905,232/93,356,355.44
  6. Step 6: Final answer
    x = 105,539,654.59

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1.5x scale

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.