Home / 108,871,846.80-163,118,813.40-70,513,616.40

Finding the Fourth Proportional to 108,871,846.80, 163,118,813.40 and 70,513,616.40

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Solution

The fourth proportional to 108,871,846.80, 163,118,813.40 and 70,513,616.40 is: 105,648,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871,846.80 : 163,118,813.40 = 70,513,616.40 : x
  2. Step 2: Convert to fraction form
    108,871,846.80/163,118,813.40 = 70,513,616.40/x
  3. Step 3: Cross multiply
    108,871,846.80x = 163,118,813.40 × 70,513,616.40
  4. Step 4: Simplify right side
    108,871,846.80x = 11,502,097,435,710,782
  5. Step 5: Solve for x
    x = 11,502,097,435,710,782/108,871,846.80
  6. Step 6: Final answer
    x = 105,648,041.93

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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.