Home / 260,032,118.16-390,182,277.61-121,871,761.32

Finding the Fourth Proportional to 260,032,118.16, 390,182,277.61 and 121,871,761.32

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Solution

The fourth proportional to 260,032,118.16, 390,182,277.61 and 121,871,761.32 is: 182,870,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,032,118.16 : 390,182,277.61 = 121,871,761.32 : x
  2. Step 2: Convert to fraction form
    260,032,118.16/390,182,277.61 = 121,871,761.32/x
  3. Step 3: Cross multiply
    260,032,118.16x = 390,182,277.61 × 121,871,761.32
  4. Step 4: Simplify right side
    260,032,118.16x = 47,552,201,409,186,064
  5. Step 5: Solve for x
    x = 47,552,201,409,186,064/260,032,118.16
  6. Step 6: Final answer
    x = 182,870,492.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.