Home / 64,706,688,045.20-97,060,032,067.80-31,565,176,979.60

Finding the Fourth Proportional to 64,706,688,045.20, 97,060,032,067.80 and 31,565,176,979.60

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Solution

The fourth proportional to 64,706,688,045.20, 97,060,032,067.80 and 31,565,176,979.60 is: 47,347,765,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,706,688,045.20 : 97,060,032,067.80 = 31,565,176,979.60 : x
  2. Step 2: Convert to fraction form
    64,706,688,045.20/97,060,032,067.80 = 31,565,176,979.60/x
  3. Step 3: Cross multiply
    64,706,688,045.20x = 97,060,032,067.80 × 31,565,176,979.60
  4. Step 4: Simplify right side
    64,706,688,045.20x = 3,063,717,089,865,758,146,560
  5. Step 5: Solve for x
    x = 3,063,717,089,865,758,146,560/64,706,688,045.20
  6. Step 6: Final answer
    x = 47,347,765,469.40

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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.