Home / 118,938,221.60-178,582,465.11-66,518,595.01

Finding the Fourth Proportional to 118,938,221.60, 178,582,465.11 and 66,518,595.01

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Solution

The fourth proportional to 118,938,221.60, 178,582,465.11 and 66,518,595.01 is: 99,875,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,938,221.60 : 178,582,465.11 = 66,518,595.01 : x
  2. Step 2: Convert to fraction form
    118,938,221.60/178,582,465.11 = 66,518,595.01/x
  3. Step 3: Cross multiply
    118,938,221.60x = 178,582,465.11 × 66,518,595.01
  4. Step 4: Simplify right side
    118,938,221.60x = 11,879,054,671,646,634
  5. Step 5: Solve for x
    x = 11,879,054,671,646,634/118,938,221.60
  6. Step 6: Final answer
    x = 99,875,839.00

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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.