Home / 132,863,807.20-198,657,981.60-98,426,430.40

Finding the Fourth Proportional to 132,863,807.20, 198,657,981.60 and 98,426,430.40

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Solution

The fourth proportional to 132,863,807.20, 198,657,981.60 and 98,426,430.40 is: 147,167,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,863,807.20 : 198,657,981.60 = 98,426,430.40 : x
  2. Step 2: Convert to fraction form
    132,863,807.20/198,657,981.60 = 98,426,430.40/x
  3. Step 3: Cross multiply
    132,863,807.20x = 198,657,981.60 × 98,426,430.40
  4. Step 4: Simplify right side
    132,863,807.20x = 19,553,195,999,356,880
  5. Step 5: Solve for x
    x = 19,553,195,999,356,880/132,863,807.20
  6. Step 6: Final answer
    x = 147,167,211.38

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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.