Home / 304,103,275.71-456,155,661.08-85,754,762.11

Finding the Fourth Proportional to 304,103,275.71, 456,155,661.08 and 85,754,762.11

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Solution

The fourth proportional to 304,103,275.71, 456,155,661.08 and 85,754,762.11 is: 128,632,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,103,275.71 : 456,155,661.08 = 85,754,762.11 : x
  2. Step 2: Convert to fraction form
    304,103,275.71/456,155,661.08 = 85,754,762.11/x
  3. Step 3: Cross multiply
    304,103,275.71x = 456,155,661.08 × 85,754,762.11
  4. Step 4: Simplify right side
    304,103,275.71x = 39,117,520,201,045,184
  5. Step 5: Solve for x
    x = 39,117,520,201,045,184/304,103,275.71
  6. Step 6: Final answer
    x = 128,632,353.96

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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.