Home / 239,472,063.40-359,208,095.10-77,913,999.40

Finding the Fourth Proportional to 239,472,063.40, 359,208,095.10 and 77,913,999.40

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Solution

The fourth proportional to 239,472,063.40, 359,208,095.10 and 77,913,999.40 is: 116,870,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,472,063.40 : 359,208,095.10 = 77,913,999.40 : x
  2. Step 2: Convert to fraction form
    239,472,063.40/359,208,095.10 = 77,913,999.40/x
  3. Step 3: Cross multiply
    239,472,063.40x = 359,208,095.10 × 77,913,999.40
  4. Step 4: Simplify right side
    239,472,063.40x = 27,987,339,306,096,548
  5. Step 5: Solve for x
    x = 27,987,339,306,096,548/239,472,063.40
  6. Step 6: Final answer
    x = 116,870,999.10

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1.5x scale

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.