Home / 249,048,534.80-373,068,917.40-172,458,045.20

Finding the Fourth Proportional to 249,048,534.80, 373,068,917.40 and 172,458,045.20

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Solution

The fourth proportional to 249,048,534.80, 373,068,917.40 and 172,458,045.20 is: 258,338,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,048,534.80 : 373,068,917.40 = 172,458,045.20 : x
  2. Step 2: Convert to fraction form
    249,048,534.80/373,068,917.40 = 172,458,045.20/x
  3. Step 3: Cross multiply
    249,048,534.80x = 373,068,917.40 × 172,458,045.20
  4. Step 4: Simplify right side
    249,048,534.80x = 64,338,736,219,684,256
  5. Step 5: Solve for x
    x = 64,338,736,219,684,256/249,048,534.80
  6. Step 6: Final answer
    x = 258,338,143.89

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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.