Home / 211,995,005.34-292,355,730.16-137,575,993.51

Finding the Fourth Proportional to 211,995,005.34, 292,355,730.16 and 137,575,993.51

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Solution

The fourth proportional to 211,995,005.34, 292,355,730.16 and 137,575,993.51 is: 189,726,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,995,005.34 : 292,355,730.16 = 137,575,993.51 : x
  2. Step 2: Convert to fraction form
    211,995,005.34/292,355,730.16 = 137,575,993.51/x
  3. Step 3: Cross multiply
    211,995,005.34x = 292,355,730.16 × 137,575,993.51
  4. Step 4: Simplify right side
    211,995,005.34x = 40,221,130,032,953,808
  5. Step 5: Solve for x
    x = 40,221,130,032,953,808/211,995,005.34
  6. Step 6: Final answer
    x = 189,726,781.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.