Home / 98,604,005.20-147,906,007.80-53,254,373.20

Finding the Fourth Proportional to 98,604,005.20, 147,906,007.80 and 53,254,373.20

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Solution

The fourth proportional to 98,604,005.20, 147,906,007.80 and 53,254,373.20 is: 79,881,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,604,005.20 : 147,906,007.80 = 53,254,373.20 : x
  2. Step 2: Convert to fraction form
    98,604,005.20/147,906,007.80 = 53,254,373.20/x
  3. Step 3: Cross multiply
    98,604,005.20x = 147,906,007.80 × 53,254,373.20
  4. Step 4: Simplify right side
    98,604,005.20x = 7,876,641,737,903,312
  5. Step 5: Solve for x
    x = 7,876,641,737,903,312/98,604,005.20
  6. Step 6: Final answer
    x = 79,881,559.80

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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.