Home / 64,290,148.80-96,435,223.20-38,759,985.60

Finding the Fourth Proportional to 64,290,148.80, 96,435,223.20 and 38,759,985.60

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Solution

The fourth proportional to 64,290,148.80, 96,435,223.20 and 38,759,985.60 is: 58,139,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,290,148.80 : 96,435,223.20 = 38,759,985.60 : x
  2. Step 2: Convert to fraction form
    64,290,148.80/96,435,223.20 = 38,759,985.60/x
  3. Step 3: Cross multiply
    64,290,148.80x = 96,435,223.20 × 38,759,985.60
  4. Step 4: Simplify right side
    64,290,148.80x = 3,737,827,862,564,786
  5. Step 5: Solve for x
    x = 3,737,827,862,564,786/64,290,148.80
  6. Step 6: Final answer
    x = 58,139,978.40

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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.