Home / 309,143,652.60-463,771,466.10-155,402,801.40

Finding the Fourth Proportional to 309,143,652.60, 463,771,466.10 and 155,402,801.40

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Solution

The fourth proportional to 309,143,652.60, 463,771,466.10 and 155,402,801.40 is: 233,132,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,143,652.60 : 463,771,466.10 = 155,402,801.40 : x
  2. Step 2: Convert to fraction form
    309,143,652.60/463,771,466.10 = 155,402,801.40/x
  3. Step 3: Cross multiply
    309,143,652.60x = 463,771,466.10 × 155,402,801.40
  4. Step 4: Simplify right side
    309,143,652.60x = 72,071,385,041,325,136
  5. Step 5: Solve for x
    x = 72,071,385,041,325,136/309,143,652.60
  6. Step 6: Final answer
    x = 233,132,346.19

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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.