Home / 158,681,712.90-237,913,906.08-80,807,875.50

Finding the Fourth Proportional to 158,681,712.90, 237,913,906.08 and 80,807,875.50

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Solution

The fourth proportional to 158,681,712.90, 237,913,906.08 and 80,807,875.50 is: 121,156,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,681,712.90 : 237,913,906.08 = 80,807,875.50 : x
  2. Step 2: Convert to fraction form
    158,681,712.90/237,913,906.08 = 80,807,875.50/x
  3. Step 3: Cross multiply
    158,681,712.90x = 237,913,906.08 × 80,807,875.50
  4. Step 4: Simplify right side
    158,681,712.90x = 19,225,317,302,231,336
  5. Step 5: Solve for x
    x = 19,225,317,302,231,336/158,681,712.90
  6. Step 6: Final answer
    x = 121,156,477.02

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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.