Home / 314,778,875.60-472,168,313.40-99,368,123.60

Finding the Fourth Proportional to 314,778,875.60, 472,168,313.40 and 99,368,123.60

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Solution

The fourth proportional to 314,778,875.60, 472,168,313.40 and 99,368,123.60 is: 149,052,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,778,875.60 : 472,168,313.40 = 99,368,123.60 : x
  2. Step 2: Convert to fraction form
    314,778,875.60/472,168,313.40 = 99,368,123.60/x
  3. Step 3: Cross multiply
    314,778,875.60x = 472,168,313.40 × 99,368,123.60
  4. Step 4: Simplify right side
    314,778,875.60x = 46,918,479,325,934,728
  5. Step 5: Solve for x
    x = 46,918,479,325,934,728/314,778,875.60
  6. Step 6: Final answer
    x = 149,052,185.40

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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.