Home / 116,539,258.78-160,824,152.73-64,328,280.67

Finding the Fourth Proportional to 116,539,258.78, 160,824,152.73 and 64,328,280.67

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Solution

The fourth proportional to 116,539,258.78, 160,824,152.73 and 64,328,280.67 is: 88,773,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,539,258.78 : 160,824,152.73 = 64,328,280.67 : x
  2. Step 2: Convert to fraction form
    116,539,258.78/160,824,152.73 = 64,328,280.67/x
  3. Step 3: Cross multiply
    116,539,258.78x = 160,824,152.73 × 64,328,280.67
  4. Step 4: Simplify right side
    116,539,258.78x = 10,345,541,235,330,386
  5. Step 5: Solve for x
    x = 10,345,541,235,330,386/116,539,258.78
  6. Step 6: Final answer
    x = 88,773,013.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.