Home / 121,145,663.60-181,718,495.40-49,342,079.60

Finding the Fourth Proportional to 121,145,663.60, 181,718,495.40 and 49,342,079.60

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Solution

The fourth proportional to 121,145,663.60, 181,718,495.40 and 49,342,079.60 is: 74,013,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,145,663.60 : 181,718,495.40 = 49,342,079.60 : x
  2. Step 2: Convert to fraction form
    121,145,663.60/181,718,495.40 = 49,342,079.60/x
  3. Step 3: Cross multiply
    121,145,663.60x = 181,718,495.40 × 49,342,079.60
  4. Step 4: Simplify right side
    121,145,663.60x = 8,966,368,464,819,034
  5. Step 5: Solve for x
    x = 8,966,368,464,819,034/121,145,663.60
  6. Step 6: Final answer
    x = 74,013,119.40

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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.