Home / 93,012,898.14-128,356,780.80-51,196,069.40

Finding the Fourth Proportional to 93,012,898.14, 128,356,780.80 and 51,196,069.40

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Solution

The fourth proportional to 93,012,898.14, 128,356,780.80 and 51,196,069.40 is: 70,650,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,012,898.14 : 128,356,780.80 = 51,196,069.40 : x
  2. Step 2: Convert to fraction form
    93,012,898.14/128,356,780.80 = 51,196,069.40/x
  3. Step 3: Cross multiply
    93,012,898.14x = 128,356,780.80 × 51,196,069.40
  4. Step 4: Simplify right side
    93,012,898.14x = 6,571,362,657,155,604
  5. Step 5: Solve for x
    x = 6,571,362,657,155,604/93,012,898.14
  6. Step 6: Final answer
    x = 70,650,015.09

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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.