Home / 145,655,143.40-218,482,715.10-59,346,500.60

Finding the Fourth Proportional to 145,655,143.40, 218,482,715.10 and 59,346,500.60

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Solution

The fourth proportional to 145,655,143.40, 218,482,715.10 and 59,346,500.60 is: 89,019,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,655,143.40 : 218,482,715.10 = 59,346,500.60 : x
  2. Step 2: Convert to fraction form
    145,655,143.40/218,482,715.10 = 59,346,500.60/x
  3. Step 3: Cross multiply
    145,655,143.40x = 218,482,715.10 × 59,346,500.60
  4. Step 4: Simplify right side
    145,655,143.40x = 12,966,184,582,771,780
  5. Step 5: Solve for x
    x = 12,966,184,582,771,780/145,655,143.40
  6. Step 6: Final answer
    x = 89,019,750.90

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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.