Home / 74,772,445.60-112,173,831.60-42,439,837.60

Finding the Fourth Proportional to 74,772,445.60, 112,173,831.60 and 42,439,837.60

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Solution

The fourth proportional to 74,772,445.60, 112,173,831.60 and 42,439,837.60 is: 63,668,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,772,445.60 : 112,173,831.60 = 42,439,837.60 : x
  2. Step 2: Convert to fraction form
    74,772,445.60/112,173,831.60 = 42,439,837.60/x
  3. Step 3: Cross multiply
    74,772,445.60x = 112,173,831.60 × 42,439,837.60
  4. Step 4: Simplify right side
    74,772,445.60x = 4,760,639,196,073,748
  5. Step 5: Solve for x
    x = 4,760,639,196,073,748/74,772,445.60
  6. Step 6: Final answer
    x = 63,668,362.83

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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.