Home / 145,655,103.90-218,482,655.85-59,346,461.10

Finding the Fourth Proportional to 145,655,103.90, 218,482,655.85 and 59,346,461.10

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Solution

The fourth proportional to 145,655,103.90, 218,482,655.85 and 59,346,461.10 is: 89,019,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,655,103.90 : 218,482,655.85 = 59,346,461.10 : x
  2. Step 2: Convert to fraction form
    145,655,103.90/218,482,655.85 = 59,346,461.10/x
  3. Step 3: Cross multiply
    145,655,103.90x = 218,482,655.85 × 59,346,461.10
  4. Step 4: Simplify right side
    145,655,103.90x = 12,966,172,436,426,712
  5. Step 5: Solve for x
    x = 12,966,172,436,426,712/145,655,103.90
  6. Step 6: Final answer
    x = 89,019,691.65

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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.