Home / 172,368,931.60-258,553,397.40-57,365,099.20

Finding the Fourth Proportional to 172,368,931.60, 258,553,397.40 and 57,365,099.20

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Solution

The fourth proportional to 172,368,931.60, 258,553,397.40 and 57,365,099.20 is: 86,047,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,368,931.60 : 258,553,397.40 = 57,365,099.20 : x
  2. Step 2: Convert to fraction form
    172,368,931.60/258,553,397.40 = 57,365,099.20/x
  3. Step 3: Cross multiply
    172,368,931.60x = 258,553,397.40 × 57,365,099.20
  4. Step 4: Simplify right side
    172,368,931.60x = 14,831,941,290,348,024
  5. Step 5: Solve for x
    x = 14,831,941,290,348,024/172,368,931.60
  6. Step 6: Final answer
    x = 86,047,648.80

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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.