Home / 152,730,931.18-210,775,625.55-90,009,676.30

Finding the Fourth Proportional to 152,730,931.18, 210,775,625.55 and 90,009,676.30

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Solution

The fourth proportional to 152,730,931.18, 210,775,625.55 and 90,009,676.30 is: 124,217,443.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,730,931.18 : 210,775,625.55 = 90,009,676.30 : x
  2. Step 2: Convert to fraction form
    152,730,931.18/210,775,625.55 = 90,009,676.30/x
  3. Step 3: Cross multiply
    152,730,931.18x = 210,775,625.55 × 90,009,676.30
  4. Step 4: Simplify right side
    152,730,931.18x = 18,971,845,827,235,460
  5. Step 5: Solve for x
    x = 18,971,845,827,235,460/152,730,931.18
  6. Step 6: Final answer
    x = 124,217,443.58

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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.