Home / 145,165,641.60-217,748,462.40-96,792,700.80

Finding the Fourth Proportional to 145,165,641.60, 217,748,462.40 and 96,792,700.80

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Solution

The fourth proportional to 145,165,641.60, 217,748,462.40 and 96,792,700.80 is: 145,189,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165,641.60 : 217,748,462.40 = 96,792,700.80 : x
  2. Step 2: Convert to fraction form
    145,165,641.60/217,748,462.40 = 96,792,700.80/x
  3. Step 3: Cross multiply
    145,165,641.60x = 217,748,462.40 × 96,792,700.80
  4. Step 4: Simplify right side
    145,165,641.60x = 21,076,461,770,743,248
  5. Step 5: Solve for x
    x = 21,076,461,770,743,248/145,165,641.60
  6. Step 6: Final answer
    x = 145,189,051.20

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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.