Home / 249,709,904.72-344,597,130.12-138,200,962.16

Finding the Fourth Proportional to 249,709,904.72, 344,597,130.12 and 138,200,962.16

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Solution

The fourth proportional to 249,709,904.72, 344,597,130.12 and 138,200,962.16 is: 190,715,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,709,904.72 : 344,597,130.12 = 138,200,962.16 : x
  2. Step 2: Convert to fraction form
    249,709,904.72/344,597,130.12 = 138,200,962.16/x
  3. Step 3: Cross multiply
    249,709,904.72x = 344,597,130.12 × 138,200,962.16
  4. Step 4: Simplify right side
    249,709,904.72x = 47,623,654,940,158,712
  5. Step 5: Solve for x
    x = 47,623,654,940,158,712/249,709,904.72
  6. Step 6: Final answer
    x = 190,715,922.92

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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.