Home / 127,493,643.60-191,240,465.40-99,752,423.40

Finding the Fourth Proportional to 127,493,643.60, 191,240,465.40 and 99,752,423.40

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Solution

The fourth proportional to 127,493,643.60, 191,240,465.40 and 99,752,423.40 is: 149,628,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,493,643.60 : 191,240,465.40 = 99,752,423.40 : x
  2. Step 2: Convert to fraction form
    127,493,643.60/191,240,465.40 = 99,752,423.40/x
  3. Step 3: Cross multiply
    127,493,643.60x = 191,240,465.40 × 99,752,423.40
  4. Step 4: Simplify right side
    127,493,643.60x = 19,076,699,875,793,852
  5. Step 5: Solve for x
    x = 19,076,699,875,793,852/127,493,643.60
  6. Step 6: Final answer
    x = 149,628,635.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.