Home / 65,207,977.40-97,811,966.10-42,249,726.20

Finding the Fourth Proportional to 65,207,977.40, 97,811,966.10 and 42,249,726.20

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Solution

The fourth proportional to 65,207,977.40, 97,811,966.10 and 42,249,726.20 is: 63,374,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207,977.40 : 97,811,966.10 = 42,249,726.20 : x
  2. Step 2: Convert to fraction form
    65,207,977.40/97,811,966.10 = 42,249,726.20/x
  3. Step 3: Cross multiply
    65,207,977.40x = 97,811,966.10 × 42,249,726.20
  4. Step 4: Simplify right side
    65,207,977.40x = 4,132,528,786,808,682
  5. Step 5: Solve for x
    x = 4,132,528,786,808,682/65,207,977.40
  6. Step 6: Final answer
    x = 63,374,589.30

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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.