Home / 148,484,955.60-222,833,721.60-83,720,012.40

Finding the Fourth Proportional to 148,484,955.60, 222,833,721.60 and 83,720,012.40

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Solution

The fourth proportional to 148,484,955.60, 222,833,721.60 and 83,720,012.40 is: 125,639,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,484,955.60 : 222,833,721.60 = 83,720,012.40 : x
  2. Step 2: Convert to fraction form
    148,484,955.60/222,833,721.60 = 83,720,012.40/x
  3. Step 3: Cross multiply
    148,484,955.60x = 222,833,721.60 × 83,720,012.40
  4. Step 4: Simplify right side
    148,484,955.60x = 18,655,641,935,490,148
  5. Step 5: Solve for x
    x = 18,655,641,935,490,148/148,484,955.60
  6. Step 6: Final answer
    x = 125,639,946.89

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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.