Home / 249,621,671.34-374,483,575.98-85,838,156.64

Finding the Fourth Proportional to 249,621,671.34, 374,483,575.98 and 85,838,156.64

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Solution

The fourth proportional to 249,621,671.34, 374,483,575.98 and 85,838,156.64 is: 128,774,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,621,671.34 : 374,483,575.98 = 85,838,156.64 : x
  2. Step 2: Convert to fraction form
    249,621,671.34/374,483,575.98 = 85,838,156.64/x
  3. Step 3: Cross multiply
    249,621,671.34x = 374,483,575.98 × 85,838,156.64
  4. Step 4: Simplify right side
    249,621,671.34x = 32,144,979,854,078,584
  5. Step 5: Solve for x
    x = 32,144,979,854,078,584/249,621,671.34
  6. Step 6: Final answer
    x = 128,774,796.20

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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.