Home / 140,675,365.70-211,013,048.55-86,927,653.70

Finding the Fourth Proportional to 140,675,365.70, 211,013,048.55 and 86,927,653.70

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Solution

The fourth proportional to 140,675,365.70, 211,013,048.55 and 86,927,653.70 is: 130,391,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,675,365.70 : 211,013,048.55 = 86,927,653.70 : x
  2. Step 2: Convert to fraction form
    140,675,365.70/211,013,048.55 = 86,927,653.70/x
  3. Step 3: Cross multiply
    140,675,365.70x = 211,013,048.55 × 86,927,653.70
  4. Step 4: Simplify right side
    140,675,365.70x = 18,342,869,210,535,688
  5. Step 5: Solve for x
    x = 18,342,869,210,535,688/140,675,365.70
  6. Step 6: Final answer
    x = 130,391,480.55

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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.