Home / 245,590,799.40-368,386,199.10-215,357,711.40

Finding the Fourth Proportional to 245,590,799.40, 368,386,199.10 and 215,357,711.40

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Solution

The fourth proportional to 245,590,799.40, 368,386,199.10 and 215,357,711.40 is: 323,036,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,590,799.40 : 368,386,199.10 = 215,357,711.40 : x
  2. Step 2: Convert to fraction form
    245,590,799.40/368,386,199.10 = 215,357,711.40/x
  3. Step 3: Cross multiply
    245,590,799.40x = 368,386,199.10 × 215,357,711.40
  4. Step 4: Simplify right side
    245,590,799.40x = 79,334,808,749,520,752
  5. Step 5: Solve for x
    x = 79,334,808,749,520,752/245,590,799.40
  6. Step 6: Final answer
    x = 323,036,567.10

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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.