Home / 145,655,128.90-218,482,693.35-59,346,486.10

Finding the Fourth Proportional to 145,655,128.90, 218,482,693.35 and 59,346,486.10

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Solution

The fourth proportional to 145,655,128.90, 218,482,693.35 and 59,346,486.10 is: 89,019,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,655,128.90 : 218,482,693.35 = 59,346,486.10 : x
  2. Step 2: Convert to fraction form
    145,655,128.90/218,482,693.35 = 59,346,486.10/x
  3. Step 3: Cross multiply
    145,655,128.90x = 218,482,693.35 × 59,346,486.10
  4. Step 4: Simplify right side
    145,655,128.90x = 12,966,180,123,986,338
  5. Step 5: Solve for x
    x = 12,966,180,123,986,338/145,655,128.90
  6. Step 6: Final answer
    x = 89,019,729.15

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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.