Home / 86,871,301.80-130,306,952.70-57,771,954.60

Finding the Fourth Proportional to 86,871,301.80, 130,306,952.70 and 57,771,954.60

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Solution

The fourth proportional to 86,871,301.80, 130,306,952.70 and 57,771,954.60 is: 86,657,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,871,301.80 : 130,306,952.70 = 57,771,954.60 : x
  2. Step 2: Convert to fraction form
    86,871,301.80/130,306,952.70 = 57,771,954.60/x
  3. Step 3: Cross multiply
    86,871,301.80x = 130,306,952.70 × 57,771,954.60
  4. Step 4: Simplify right side
    86,871,301.80x = 7,528,087,355,448,748
  5. Step 5: Solve for x
    x = 7,528,087,355,448,748/86,871,301.80
  6. Step 6: Final answer
    x = 86,657,931.90

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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.