Home / 199,208,541.40-298,812,812.10-157,596,711.10

Finding the Fourth Proportional to 199,208,541.40, 298,812,812.10 and 157,596,711.10

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Solution

The fourth proportional to 199,208,541.40, 298,812,812.10 and 157,596,711.10 is: 236,395,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,208,541.40 : 298,812,812.10 = 157,596,711.10 : x
  2. Step 2: Convert to fraction form
    199,208,541.40/298,812,812.10 = 157,596,711.10/x
  3. Step 3: Cross multiply
    199,208,541.40x = 298,812,812.10 × 157,596,711.10
  4. Step 4: Simplify right side
    199,208,541.40x = 47,091,916,421,502,288
  5. Step 5: Solve for x
    x = 47,091,916,421,502,288/199,208,541.40
  6. Step 6: Final answer
    x = 236,395,066.65

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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.